19857630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{863}}^1$

素因数の和:945

約数の個数: 64

約数和(自身を含む): 52254720

約数和(自身を除く): 32397090

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 59, 65, 78, 118, 130, 177, 195, 295, 354, 390, 590, 767, 863, 885, 1534, 1726, 1770, 2301, 2589, 3835, 4315, 4602, 5178, 7670, 8630, 11219, 11505, 12945, 22438, 23010, 25890, 33657, 50917, 56095, 67314, 101834, 112190, 152751, 168285, 254585, 305502, 336570, 509170, 661921, 763755, 1323842, 1527510, 1985763, 3309605, 3971526, 6619210, 9928815, 19857630]

約数ペア:

[(1, 19857630), (2, 9928815), (3, 6619210), (5, 3971526), (6, 3309605), (10, 1985763), (13, 1527510), (15, 1323842), (26, 763755), (30, 661921), (39, 509170), (59, 336570), (65, 305502), (78, 254585), (118, 168285), (130, 152751), (177, 112190), (195, 101834), (295, 67314), (354, 56095), (390, 50917), (590, 33657), (767, 25890), (863, 23010), (885, 22438), (1534, 12945), (1726, 11505), (1770, 11219), (2301, 8630), (2589, 7670), (3835, 5178), (4315, 4602)]