19527560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^2$

素因数の和:135

約数の個数: 96

約数和(自身を含む): 51188760

約数和(自身を除く): 31661200

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 47, 52, 65, 68, 85, 94, 104, 130, 136, 170, 188, 221, 235, 260, 340, 376, 442, 470, 520, 611, 680, 799, 884, 940, 1105, 1222, 1598, 1768, 1880, 2209, 2210, 2444, 3055, 3196, 3995, 4418, 4420, 4888, 6110, 6392, 7990, 8836, 8840, 10387, 11045, 12220, 15980, 17672, 20774, 22090, 24440, 28717, 31960, 37553, 41548, 44180, 51935, 57434, 75106, 83096, 88360, 103870, 114868, 143585, 150212, 187765, 207740, 229736, 287170, 300424, 375530, 415480, 488189, 574340, 751060, 976378, 1148680, 1502120, 1952756, 2440945, 3905512, 4881890, 9763780, 19527560]

約数ペア:

[(1, 19527560), (2, 9763780), (4, 4881890), (5, 3905512), (8, 2440945), (10, 1952756), (13, 1502120), (17, 1148680), (20, 976378), (26, 751060), (34, 574340), (40, 488189), (47, 415480), (52, 375530), (65, 300424), (68, 287170), (85, 229736), (94, 207740), (104, 187765), (130, 150212), (136, 143585), (170, 114868), (188, 103870), (221, 88360), (235, 83096), (260, 75106), (340, 57434), (376, 51935), (442, 44180), (470, 41548), (520, 37553), (611, 31960), (680, 28717), (799, 24440), (884, 22090), (940, 20774), (1105, 17672), (1222, 15980), (1598, 12220), (1768, 11045), (1880, 10387), (2209, 8840), (2210, 8836), (2444, 7990), (3055, 6392), (3196, 6110), (3995, 4888), (4418, 4420)]