19811380290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2383}}^1\times {\mathrm{21317}}^1$

素因数の和:23723

約数の個数: 64

約数和(自身を含む): 51228688896

約数和(自身を除く): 31417308606

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 2383, 4766, 7149, 11915, 14298, 21317, 23830, 30979, 35745, 42634, 61958, 63951, 71490, 92937, 106585, 127902, 154895, 185874, 213170, 277121, 309790, 319755, 464685, 554242, 639510, 831363, 929370, 1385605, 1662726, 2771210, 4156815, 8313630, 50798411, 101596822, 152395233, 253992055, 304790466, 507984110, 660379343, 761976165, 1320758686, 1523952330, 1981138029, 3301896715, 3962276058, 6603793430, 9905690145, 19811380290]

約数ペア:

[(1, 19811380290), (2, 9905690145), (3, 6603793430), (5, 3962276058), (6, 3301896715), (10, 1981138029), (13, 1523952330), (15, 1320758686), (26, 761976165), (30, 660379343), (39, 507984110), (65, 304790466), (78, 253992055), (130, 152395233), (195, 101596822), (390, 50798411), (2383, 8313630), (4766, 4156815), (7149, 2771210), (11915, 1662726), (14298, 1385605), (21317, 929370), (23830, 831363), (30979, 639510), (35745, 554242), (42634, 464685), (61958, 319755), (63951, 309790), (71490, 277121), (92937, 213170), (106585, 185874), (127902, 154895)]