19893510

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{347}}^1$

素因数の和:387

約数の個数: 144

約数和(自身を含む): 64982736

約数和(自身を除く): 45089226

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 45, 49, 63, 65, 70, 78, 90, 91, 98, 105, 117, 126, 130, 147, 182, 195, 210, 234, 245, 273, 294, 315, 347, 390, 441, 455, 490, 546, 585, 630, 637, 694, 735, 819, 882, 910, 1041, 1170, 1274, 1365, 1470, 1638, 1735, 1911, 2082, 2205, 2429, 2730, 3123, 3185, 3470, 3822, 4095, 4410, 4511, 4858, 5205, 5733, 6246, 6370, 7287, 8190, 9022, 9555, 10410, 11466, 12145, 13533, 14574, 15615, 17003, 19110, 21861, 22555, 24290, 27066, 28665, 31230, 31577, 34006, 36435, 40599, 43722, 45110, 51009, 57330, 63154, 67665, 72870, 81198, 85015, 94731, 102018, 109305, 135330, 153027, 157885, 170030, 189462, 202995, 218610, 221039, 255045, 284193, 306054, 315770, 405990, 442078, 473655, 510090, 568386, 663117, 765135, 947310, 1105195, 1326234, 1420965, 1530270, 1989351, 2210390, 2841930, 3315585, 3978702, 6631170, 9946755, 19893510]

約数ペア:

[(1, 19893510), (2, 9946755), (3, 6631170), (5, 3978702), (6, 3315585), (7, 2841930), (9, 2210390), (10, 1989351), (13, 1530270), (14, 1420965), (15, 1326234), (18, 1105195), (21, 947310), (26, 765135), (30, 663117), (35, 568386), (39, 510090), (42, 473655), (45, 442078), (49, 405990), (63, 315770), (65, 306054), (70, 284193), (78, 255045), (90, 221039), (91, 218610), (98, 202995), (105, 189462), (117, 170030), (126, 157885), (130, 153027), (147, 135330), (182, 109305), (195, 102018), (210, 94731), (234, 85015), (245, 81198), (273, 72870), (294, 67665), (315, 63154), (347, 57330), (390, 51009), (441, 45110), (455, 43722), (490, 40599), (546, 36435), (585, 34006), (630, 31577), (637, 31230), (694, 28665), (735, 27066), (819, 24290), (882, 22555), (910, 21861), (1041, 19110), (1170, 17003), (1274, 15615), (1365, 14574), (1470, 13533), (1638, 12145), (1735, 11466), (1911, 10410), (2082, 9555), (2205, 9022), (2429, 8190), (2730, 7287), (3123, 6370), (3185, 6246), (3470, 5733), (3822, 5205), (4095, 4858), (4410, 4511)]