18297760

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{463}}^1$

素因数の和:510

約数の個数: 96

約数和(自身を含む): 49109760

約数和(自身を除く): 30812000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 380, 416, 463, 494, 520, 608, 760, 926, 988, 1040, 1235, 1520, 1852, 1976, 2080, 2315, 2470, 3040, 3704, 3952, 4630, 4940, 6019, 7408, 7904, 8797, 9260, 9880, 12038, 14816, 17594, 18520, 19760, 24076, 30095, 35188, 37040, 39520, 43985, 48152, 60190, 70376, 74080, 87970, 96304, 114361, 120380, 140752, 175940, 192608, 228722, 240760, 281504, 351880, 457444, 481520, 571805, 703760, 914888, 963040, 1143610, 1407520, 1829776, 2287220, 3659552, 4574440, 9148880, 18297760]

約数ペア:

[(1, 18297760), (2, 9148880), (4, 4574440), (5, 3659552), (8, 2287220), (10, 1829776), (13, 1407520), (16, 1143610), (19, 963040), (20, 914888), (26, 703760), (32, 571805), (38, 481520), (40, 457444), (52, 351880), (65, 281504), (76, 240760), (80, 228722), (95, 192608), (104, 175940), (130, 140752), (152, 120380), (160, 114361), (190, 96304), (208, 87970), (247, 74080), (260, 70376), (304, 60190), (380, 48152), (416, 43985), (463, 39520), (494, 37040), (520, 35188), (608, 30095), (760, 24076), (926, 19760), (988, 18520), (1040, 17594), (1235, 14816), (1520, 12038), (1852, 9880), (1976, 9260), (2080, 8797), (2315, 7904), (2470, 7408), (3040, 6019), (3704, 4940), (3952, 4630)]