18209880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1297}}^1$

素因数の和:1330

約数の個数: 128

約数和(自身を含む): 65419200

約数和(自身を除く): 47209320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 180, 195, 216, 234, 260, 270, 312, 351, 360, 390, 468, 520, 540, 585, 702, 780, 936, 1080, 1170, 1297, 1404, 1560, 1755, 2340, 2594, 2808, 3510, 3891, 4680, 5188, 6485, 7020, 7782, 10376, 11673, 12970, 14040, 15564, 16861, 19455, 23346, 25940, 31128, 33722, 35019, 38910, 46692, 50583, 51880, 58365, 67444, 70038, 77820, 84305, 93384, 101166, 116730, 134888, 140076, 151749, 155640, 168610, 175095, 202332, 233460, 252915, 280152, 303498, 337220, 350190, 404664, 455247, 466920, 505830, 606996, 674440, 700380, 758745, 910494, 1011660, 1213992, 1400760, 1517490, 1820988, 2023320, 2276235, 3034980, 3641976, 4552470, 6069960, 9104940, 18209880]

約数ペア:

[(1, 18209880), (2, 9104940), (3, 6069960), (4, 4552470), (5, 3641976), (6, 3034980), (8, 2276235), (9, 2023320), (10, 1820988), (12, 1517490), (13, 1400760), (15, 1213992), (18, 1011660), (20, 910494), (24, 758745), (26, 700380), (27, 674440), (30, 606996), (36, 505830), (39, 466920), (40, 455247), (45, 404664), (52, 350190), (54, 337220), (60, 303498), (65, 280152), (72, 252915), (78, 233460), (90, 202332), (104, 175095), (108, 168610), (117, 155640), (120, 151749), (130, 140076), (135, 134888), (156, 116730), (180, 101166), (195, 93384), (216, 84305), (234, 77820), (260, 70038), (270, 67444), (312, 58365), (351, 51880), (360, 50583), (390, 46692), (468, 38910), (520, 35019), (540, 33722), (585, 31128), (702, 25940), (780, 23346), (936, 19455), (1080, 16861), (1170, 15564), (1297, 14040), (1404, 12970), (1560, 11673), (1755, 10376), (2340, 7782), (2594, 7020), (2808, 6485), (3510, 5188), (3891, 4680)]