18646680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11953}}^1$

素因数の和:11980

約数の個数: 64

約数和(自身を含む): 60248160

約数和(自身を除く): 41601480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 11953, 23906, 35859, 47812, 59765, 71718, 95624, 119530, 143436, 155389, 179295, 239060, 286872, 310778, 358590, 466167, 478120, 621556, 717180, 776945, 932334, 1243112, 1434360, 1553890, 1864668, 2330835, 3107780, 3729336, 4661670, 6215560, 9323340, 18646680]

約数ペア:

[(1, 18646680), (2, 9323340), (3, 6215560), (4, 4661670), (5, 3729336), (6, 3107780), (8, 2330835), (10, 1864668), (12, 1553890), (13, 1434360), (15, 1243112), (20, 932334), (24, 776945), (26, 717180), (30, 621556), (39, 478120), (40, 466167), (52, 358590), (60, 310778), (65, 286872), (78, 239060), (104, 179295), (120, 155389), (130, 143436), (156, 119530), (195, 95624), (260, 71718), (312, 59765), (390, 47812), (520, 35859), (780, 23906), (1560, 11953)]