18048680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{569}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 44528400

約数和(自身を除く): 26479720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 305, 488, 520, 569, 610, 793, 1138, 1220, 1586, 2276, 2440, 2845, 3172, 3965, 4552, 5690, 6344, 7397, 7930, 11380, 14794, 15860, 22760, 29588, 31720, 34709, 36985, 59176, 69418, 73970, 138836, 147940, 173545, 277672, 295880, 347090, 451217, 694180, 902434, 1388360, 1804868, 2256085, 3609736, 4512170, 9024340, 18048680]

約数ペア:

[(1, 18048680), (2, 9024340), (4, 4512170), (5, 3609736), (8, 2256085), (10, 1804868), (13, 1388360), (20, 902434), (26, 694180), (40, 451217), (52, 347090), (61, 295880), (65, 277672), (104, 173545), (122, 147940), (130, 138836), (244, 73970), (260, 69418), (305, 59176), (488, 36985), (520, 34709), (569, 31720), (610, 29588), (793, 22760), (1138, 15860), (1220, 14794), (1586, 11380), (2276, 7930), (2440, 7397), (2845, 6344), (3172, 5690), (3965, 4552)]