19042530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1$

素因数の和:491

約数の個数: 64

約数和(自身を含む): 49690368

約数和(自身を除く): 30647838

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 157, 195, 311, 314, 390, 471, 622, 785, 933, 942, 1555, 1570, 1866, 2041, 2355, 3110, 4043, 4082, 4665, 4710, 6123, 8086, 9330, 10205, 12129, 12246, 20215, 20410, 24258, 30615, 40430, 48827, 60645, 61230, 97654, 121290, 146481, 244135, 292962, 488270, 634751, 732405, 1269502, 1464810, 1904253, 3173755, 3808506, 6347510, 9521265, 19042530]

約数ペア:

[(1, 19042530), (2, 9521265), (3, 6347510), (5, 3808506), (6, 3173755), (10, 1904253), (13, 1464810), (15, 1269502), (26, 732405), (30, 634751), (39, 488270), (65, 292962), (78, 244135), (130, 146481), (157, 121290), (195, 97654), (311, 61230), (314, 60645), (390, 48827), (471, 40430), (622, 30615), (785, 24258), (933, 20410), (942, 20215), (1555, 12246), (1570, 12129), (1866, 10205), (2041, 9330), (2355, 8086), (3110, 6123), (4043, 4710), (4082, 4665)]