19304220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24749}}^1$

素因数の和:24774

約数の個数: 48

約数和(自身を含む): 58212000

約数和(自身を除く): 38907780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 24749, 49498, 74247, 98996, 123745, 148494, 247490, 296988, 321737, 371235, 494980, 643474, 742470, 965211, 1286948, 1484940, 1608685, 1930422, 3217370, 3860844, 4826055, 6434740, 9652110, 19304220]

約数ペア:

[(1, 19304220), (2, 9652110), (3, 6434740), (4, 4826055), (5, 3860844), (6, 3217370), (10, 1930422), (12, 1608685), (13, 1484940), (15, 1286948), (20, 965211), (26, 742470), (30, 643474), (39, 494980), (52, 371235), (60, 321737), (65, 296988), (78, 247490), (130, 148494), (156, 123745), (195, 98996), (260, 74247), (390, 49498), (780, 24749)]