19379970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{617}}^1$

素因数の和:979

約数の個数: 48

約数和(自身を含む): 50614200

約数和(自身を除く): 31234230

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 349, 617, 698, 1047, 1234, 1745, 1851, 2094, 3085, 3141, 3490, 3702, 5235, 5553, 6170, 6282, 9255, 10470, 11106, 15705, 18510, 27765, 31410, 55530, 215333, 430666, 645999, 1076665, 1291998, 1937997, 2153330, 3229995, 3875994, 6459990, 9689985, 19379970]

約数ペア:

[(1, 19379970), (2, 9689985), (3, 6459990), (5, 3875994), (6, 3229995), (9, 2153330), (10, 1937997), (15, 1291998), (18, 1076665), (30, 645999), (45, 430666), (90, 215333), (349, 55530), (617, 31410), (698, 27765), (1047, 18510), (1234, 15705), (1745, 11106), (1851, 10470), (2094, 9255), (3085, 6282), (3141, 6170), (3490, 5553), (3702, 5235)]