19506060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 68717376

約数和(自身を除く): 49211316

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, 113, 126, 137, 140, 180, 210, 226, 252, 274, 315, 339, 411, 420, 452, 548, 565, 630, 678, 685, 791, 822, 959, 1017, 1130, 1233, 1260, 1356, 1370, 1582, 1644, 1695, 1918, 2034, 2055, 2260, 2373, 2466, 2740, 2877, 3164, 3390, 3836, 3955, 4068, 4110, 4746, 4795, 4932, 5085, 5754, 6165, 6780, 7119, 7910, 8220, 8631, 9492, 9590, 10170, 11508, 11865, 12330, 14238, 14385, 15481, 15820, 17262, 19180, 20340, 23730, 24660, 28476, 28770, 30962, 34524, 35595, 43155, 46443, 47460, 57540, 61924, 71190, 77405, 86310, 92886, 108367, 139329, 142380, 154810, 172620, 185772, 216734, 232215, 278658, 309620, 325101, 433468, 464430, 541835, 557316, 650202, 696645, 928860, 975303, 1083670, 1300404, 1393290, 1625505, 1950606, 2167340, 2786580, 3251010, 3901212, 4876515, 6502020, 9753030, 19506060]

約数ペア:

[(1, 19506060), (2, 9753030), (3, 6502020), (4, 4876515), (5, 3901212), (6, 3251010), (7, 2786580), (9, 2167340), (10, 1950606), (12, 1625505), (14, 1393290), (15, 1300404), (18, 1083670), (20, 975303), (21, 928860), (28, 696645), (30, 650202), (35, 557316), (36, 541835), (42, 464430), (45, 433468), (60, 325101), (63, 309620), (70, 278658), (84, 232215), (90, 216734), (105, 185772), (113, 172620), (126, 154810), (137, 142380), (140, 139329), (180, 108367), (210, 92886), (226, 86310), (252, 77405), (274, 71190), (315, 61924), (339, 57540), (411, 47460), (420, 46443), (452, 43155), (548, 35595), (565, 34524), (630, 30962), (678, 28770), (685, 28476), (791, 24660), (822, 23730), (959, 20340), (1017, 19180), (1130, 17262), (1233, 15820), (1260, 15481), (1356, 14385), (1370, 14238), (1582, 12330), (1644, 11865), (1695, 11508), (1918, 10170), (2034, 9590), (2055, 9492), (2260, 8631), (2373, 8220), (2466, 7910), (2740, 7119), (2877, 6780), (3164, 6165), (3390, 5754), (3836, 5085), (3955, 4932), (4068, 4795), (4110, 4746)]