19859940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5807}}^1$

素因数の和:5841

約数の個数: 72

約数和(自身を含む): 63423360

約数和(自身を除く): 43563420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 5807, 11614, 17421, 23228, 29035, 34842, 52263, 58070, 69684, 87105, 104526, 110333, 116140, 174210, 209052, 220666, 261315, 330999, 348420, 441332, 522630, 551665, 661998, 992997, 1045260, 1103330, 1323996, 1654995, 1985994, 2206660, 3309990, 3971988, 4964985, 6619980, 9929970, 19859940]

約数ペア:

[(1, 19859940), (2, 9929970), (3, 6619980), (4, 4964985), (5, 3971988), (6, 3309990), (9, 2206660), (10, 1985994), (12, 1654995), (15, 1323996), (18, 1103330), (19, 1045260), (20, 992997), (30, 661998), (36, 551665), (38, 522630), (45, 441332), (57, 348420), (60, 330999), (76, 261315), (90, 220666), (95, 209052), (114, 174210), (171, 116140), (180, 110333), (190, 104526), (228, 87105), (285, 69684), (342, 58070), (380, 52263), (570, 34842), (684, 29035), (855, 23228), (1140, 17421), (1710, 11614), (3420, 5807)]