18736702740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{881}}^1\times {\mathrm{16879}}^1$

素因数の和:17782

約数の個数: 144

約数和(自身を含む): 65031482880

約数和(自身を除く): 46294780140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 881, 1260, 1762, 2643, 3524, 4405, 5286, 6167, 7929, 8810, 10572, 12334, 13215, 15858, 16879, 17620, 18501, 24668, 26430, 30835, 31716, 33758, 37002, 39645, 50637, 52860, 55503, 61670, 67516, 74004, 79290, 84395, 92505, 101274, 111006, 118153, 123340, 151911, 158580, 168790, 185010, 202548, 222012, 236306, 253185, 277515, 303822, 337580, 354459, 370020, 472612, 506370, 555030, 590765, 607644, 708918, 759555, 1012740, 1063377, 1110060, 1181530, 1417836, 1519110, 1772295, 2126754, 2363060, 3038220, 3544590, 4253508, 5316885, 7089180, 10633770, 14870399, 21267540, 29740798, 44611197, 59481596, 74351995, 89222394, 104092793, 133833591, 148703990, 178444788, 208185586, 223055985, 267667182, 297407980, 312278379, 416371172, 446111970, 520463965, 535334364, 624556758, 669167955, 892223940, 936835137, 1040927930, 1249113516, 1338335910, 1561391895, 1873670274, 2081855860, 2676671820, 3122783790, 3747340548, 4684175685, 6245567580, 9368351370, 18736702740]

約数ペア:

[(1, 18736702740), (2, 9368351370), (3, 6245567580), (4, 4684175685), (5, 3747340548), (6, 3122783790), (7, 2676671820), (9, 2081855860), (10, 1873670274), (12, 1561391895), (14, 1338335910), (15, 1249113516), (18, 1040927930), (20, 936835137), (21, 892223940), (28, 669167955), (30, 624556758), (35, 535334364), (36, 520463965), (42, 446111970), (45, 416371172), (60, 312278379), (63, 297407980), (70, 267667182), (84, 223055985), (90, 208185586), (105, 178444788), (126, 148703990), (140, 133833591), (180, 104092793), (210, 89222394), (252, 74351995), (315, 59481596), (420, 44611197), (630, 29740798), (881, 21267540), (1260, 14870399), (1762, 10633770), (2643, 7089180), (3524, 5316885), (4405, 4253508), (5286, 3544590), (6167, 3038220), (7929, 2363060), (8810, 2126754), (10572, 1772295), (12334, 1519110), (13215, 1417836), (15858, 1181530), (16879, 1110060), (17620, 1063377), (18501, 1012740), (24668, 759555), (26430, 708918), (30835, 607644), (31716, 590765), (33758, 555030), (37002, 506370), (39645, 472612), (50637, 370020), (52860, 354459), (55503, 337580), (61670, 303822), (67516, 277515), (74004, 253185), (79290, 236306), (84395, 222012), (92505, 202548), (101274, 185010), (111006, 168790), (118153, 158580), (123340, 151911)]