18699686748

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{479}}^1\times {\mathrm{25219}}^1$

素因数の和:25751

約数の個数: 72

約数和(自身を含む): 48470822400

約数和(自身を除く): 29771135652

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 479, 516, 774, 958, 1437, 1548, 1916, 2874, 4311, 5748, 8622, 17244, 20597, 25219, 41194, 50438, 61791, 75657, 82388, 100876, 123582, 151314, 185373, 226971, 247164, 302628, 370746, 453942, 741492, 907884, 1084417, 2168834, 3253251, 4337668, 6506502, 9759753, 12079901, 13013004, 19519506, 24159802, 36239703, 39039012, 48319604, 72479406, 108719109, 144958812, 217438218, 434876436, 519435743, 1038871486, 1558307229, 2077742972, 3116614458, 4674921687, 6233228916, 9349843374, 18699686748]

約数ペア:

[(1, 18699686748), (2, 9349843374), (3, 6233228916), (4, 4674921687), (6, 3116614458), (9, 2077742972), (12, 1558307229), (18, 1038871486), (36, 519435743), (43, 434876436), (86, 217438218), (129, 144958812), (172, 108719109), (258, 72479406), (387, 48319604), (479, 39039012), (516, 36239703), (774, 24159802), (958, 19519506), (1437, 13013004), (1548, 12079901), (1916, 9759753), (2874, 6506502), (4311, 4337668), (5748, 3253251), (8622, 2168834), (17244, 1084417), (20597, 907884), (25219, 741492), (41194, 453942), (50438, 370746), (61791, 302628), (75657, 247164), (82388, 226971), (100876, 185373), (123582, 151314)]