19707480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4211}}^1$

素因数の和:4241

約数の個数: 96

約数和(自身を含む): 68992560

約数和(自身を除く): 49285080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4211, 4680, 8422, 12633, 16844, 21055, 25266, 33688, 37899, 42110, 50532, 54743, 63165, 75798, 84220, 101064, 109486, 126330, 151596, 164229, 168440, 189495, 218972, 252660, 273715, 303192, 328458, 378990, 437944, 492687, 505320, 547430, 656916, 757980, 821145, 985374, 1094860, 1313832, 1515960, 1642290, 1970748, 2189720, 2463435, 3284580, 3941496, 4926870, 6569160, 9853740, 19707480]

約数ペア:

[(1, 19707480), (2, 9853740), (3, 6569160), (4, 4926870), (5, 3941496), (6, 3284580), (8, 2463435), (9, 2189720), (10, 1970748), (12, 1642290), (13, 1515960), (15, 1313832), (18, 1094860), (20, 985374), (24, 821145), (26, 757980), (30, 656916), (36, 547430), (39, 505320), (40, 492687), (45, 437944), (52, 378990), (60, 328458), (65, 303192), (72, 273715), (78, 252660), (90, 218972), (104, 189495), (117, 168440), (120, 164229), (130, 151596), (156, 126330), (180, 109486), (195, 101064), (234, 84220), (260, 75798), (312, 63165), (360, 54743), (390, 50532), (468, 42110), (520, 37899), (585, 33688), (780, 25266), (936, 21055), (1170, 16844), (1560, 12633), (2340, 8422), (4211, 4680)]