19189620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:246

約数の個数: 144

約数和(自身を含む): 63598080

約数和(自身を除く): 44408460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 31, 36, 38, 45, 57, 60, 62, 76, 90, 93, 95, 114, 124, 155, 171, 180, 181, 186, 190, 228, 279, 285, 310, 342, 362, 372, 380, 465, 543, 558, 570, 589, 620, 684, 724, 855, 905, 930, 1086, 1116, 1140, 1178, 1395, 1629, 1710, 1767, 1810, 1860, 2172, 2356, 2715, 2790, 2945, 3258, 3420, 3439, 3534, 3620, 5301, 5430, 5580, 5611, 5890, 6516, 6878, 7068, 8145, 8835, 10317, 10602, 10860, 11222, 11780, 13756, 16290, 16833, 17195, 17670, 20634, 21204, 22444, 26505, 28055, 30951, 32580, 33666, 34390, 35340, 41268, 50499, 51585, 53010, 56110, 61902, 67332, 68780, 84165, 100998, 103170, 106020, 106609, 112220, 123804, 154755, 168330, 201996, 206340, 213218, 252495, 309510, 319827, 336660, 426436, 504990, 533045, 619020, 639654, 959481, 1009980, 1066090, 1279308, 1599135, 1918962, 2132180, 3198270, 3837924, 4797405, 6396540, 9594810, 19189620]

約数ペア:

[(1, 19189620), (2, 9594810), (3, 6396540), (4, 4797405), (5, 3837924), (6, 3198270), (9, 2132180), (10, 1918962), (12, 1599135), (15, 1279308), (18, 1066090), (19, 1009980), (20, 959481), (30, 639654), (31, 619020), (36, 533045), (38, 504990), (45, 426436), (57, 336660), (60, 319827), (62, 309510), (76, 252495), (90, 213218), (93, 206340), (95, 201996), (114, 168330), (124, 154755), (155, 123804), (171, 112220), (180, 106609), (181, 106020), (186, 103170), (190, 100998), (228, 84165), (279, 68780), (285, 67332), (310, 61902), (342, 56110), (362, 53010), (372, 51585), (380, 50499), (465, 41268), (543, 35340), (558, 34390), (570, 33666), (589, 32580), (620, 30951), (684, 28055), (724, 26505), (855, 22444), (905, 21204), (930, 20634), (1086, 17670), (1116, 17195), (1140, 16833), (1178, 16290), (1395, 13756), (1629, 11780), (1710, 11222), (1767, 10860), (1810, 10602), (1860, 10317), (2172, 8835), (2356, 8145), (2715, 7068), (2790, 6878), (2945, 6516), (3258, 5890), (3420, 5611), (3439, 5580), (3534, 5430), (3620, 5301)]