19461260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1$

素因数の和:100

約数の個数: 144

約数和(自身を含む): 54876864

約数和(自身を除く): 35415604

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 37, 52, 65, 68, 70, 74, 85, 91, 119, 130, 140, 148, 170, 182, 185, 221, 238, 259, 260, 289, 340, 364, 370, 442, 455, 476, 481, 518, 578, 595, 629, 740, 884, 910, 962, 1036, 1105, 1156, 1190, 1258, 1295, 1445, 1547, 1820, 1924, 2023, 2210, 2380, 2405, 2516, 2590, 2890, 3094, 3145, 3367, 3757, 4046, 4403, 4420, 4810, 5180, 5780, 6188, 6290, 6734, 7514, 7735, 8092, 8177, 8806, 9620, 10115, 10693, 12580, 13468, 15028, 15470, 16354, 16835, 17612, 18785, 20230, 21386, 22015, 26299, 30940, 32708, 33670, 37570, 40460, 40885, 42772, 44030, 52598, 53465, 57239, 67340, 74851, 75140, 81770, 88060, 105196, 106930, 114478, 131495, 139009, 149702, 163540, 213860, 228956, 262990, 278018, 286195, 299404, 374255, 525980, 556036, 572390, 695045, 748510, 973063, 1144780, 1390090, 1497020, 1946126, 2780180, 3892252, 4865315, 9730630, 19461260]

約数ペア:

[(1, 19461260), (2, 9730630), (4, 4865315), (5, 3892252), (7, 2780180), (10, 1946126), (13, 1497020), (14, 1390090), (17, 1144780), (20, 973063), (26, 748510), (28, 695045), (34, 572390), (35, 556036), (37, 525980), (52, 374255), (65, 299404), (68, 286195), (70, 278018), (74, 262990), (85, 228956), (91, 213860), (119, 163540), (130, 149702), (140, 139009), (148, 131495), (170, 114478), (182, 106930), (185, 105196), (221, 88060), (238, 81770), (259, 75140), (260, 74851), (289, 67340), (340, 57239), (364, 53465), (370, 52598), (442, 44030), (455, 42772), (476, 40885), (481, 40460), (518, 37570), (578, 33670), (595, 32708), (629, 30940), (740, 26299), (884, 22015), (910, 21386), (962, 20230), (1036, 18785), (1105, 17612), (1156, 16835), (1190, 16354), (1258, 15470), (1295, 15028), (1445, 13468), (1547, 12580), (1820, 10693), (1924, 10115), (2023, 9620), (2210, 8806), (2380, 8177), (2405, 8092), (2516, 7735), (2590, 7514), (2890, 6734), (3094, 6290), (3145, 6188), (3367, 5780), (3757, 5180), (4046, 4810), (4403, 4420)]