19383990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1097}}^1$

素因数の和:1157

約数の個数: 64

約数和(自身を含む): 50595840

約数和(自身を除く): 31211850

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 31, 38, 57, 62, 93, 95, 114, 155, 186, 190, 285, 310, 465, 570, 589, 930, 1097, 1178, 1767, 2194, 2945, 3291, 3534, 5485, 5890, 6582, 8835, 10970, 16455, 17670, 20843, 32910, 34007, 41686, 62529, 68014, 102021, 104215, 125058, 170035, 204042, 208430, 312645, 340070, 510105, 625290, 646133, 1020210, 1292266, 1938399, 3230665, 3876798, 6461330, 9691995, 19383990]

約数ペア:

[(1, 19383990), (2, 9691995), (3, 6461330), (5, 3876798), (6, 3230665), (10, 1938399), (15, 1292266), (19, 1020210), (30, 646133), (31, 625290), (38, 510105), (57, 340070), (62, 312645), (93, 208430), (95, 204042), (114, 170035), (155, 125058), (186, 104215), (190, 102021), (285, 68014), (310, 62529), (465, 41686), (570, 34007), (589, 32910), (930, 20843), (1097, 17670), (1178, 16455), (1767, 10970), (2194, 8835), (2945, 6582), (3291, 5890), (3534, 5485)]