19435760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:522

約数の個数: 80

約数和(自身を含む): 49496832

約数和(自身を除く): 30061072

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 461, 496, 527, 620, 680, 922, 1054, 1240, 1360, 1844, 2108, 2305, 2480, 2635, 3688, 4216, 4610, 5270, 7376, 7837, 8432, 9220, 10540, 14291, 15674, 18440, 21080, 28582, 31348, 36880, 39185, 42160, 57164, 62696, 71455, 78370, 114328, 125392, 142910, 156740, 228656, 242947, 285820, 313480, 485894, 571640, 626960, 971788, 1143280, 1214735, 1943576, 2429470, 3887152, 4858940, 9717880, 19435760]

約数ペア:

[(1, 19435760), (2, 9717880), (4, 4858940), (5, 3887152), (8, 2429470), (10, 1943576), (16, 1214735), (17, 1143280), (20, 971788), (31, 626960), (34, 571640), (40, 485894), (62, 313480), (68, 285820), (80, 242947), (85, 228656), (124, 156740), (136, 142910), (155, 125392), (170, 114328), (248, 78370), (272, 71455), (310, 62696), (340, 57164), (461, 42160), (496, 39185), (527, 36880), (620, 31348), (680, 28582), (922, 21080), (1054, 18440), (1240, 15674), (1360, 14291), (1844, 10540), (2108, 9220), (2305, 8432), (2480, 7837), (2635, 7376), (3688, 5270), (4216, 4610)]