19642610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2477}}^1$

素因数の和:2558

約数の個数: 32

約数和(自身を含む): 38716272

約数和(自身を除く): 19073662

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 305, 610, 793, 1586, 2477, 3965, 4954, 7930, 12385, 24770, 32201, 64402, 151097, 161005, 302194, 322010, 755485, 1510970, 1964261, 3928522, 9821305, 19642610]

約数ペア:

[(1, 19642610), (2, 9821305), (5, 3928522), (10, 1964261), (13, 1510970), (26, 755485), (61, 322010), (65, 302194), (122, 161005), (130, 151097), (305, 64402), (610, 32201), (793, 24770), (1586, 12385), (2477, 7930), (3965, 4954)]