19244680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1$

素因数の和:359

約数の個数: 128

約数和(自身を含む): 56609280

約数和(自身を除く): 37364600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 85, 91, 104, 119, 130, 136, 140, 170, 182, 221, 238, 260, 280, 311, 340, 364, 442, 455, 476, 520, 595, 622, 680, 728, 884, 910, 952, 1105, 1190, 1244, 1547, 1555, 1768, 1820, 2177, 2210, 2380, 2488, 3094, 3110, 3640, 4043, 4354, 4420, 4760, 5287, 6188, 6220, 7735, 8086, 8708, 8840, 10574, 10885, 12376, 12440, 15470, 16172, 17416, 20215, 21148, 21770, 26435, 28301, 30940, 32344, 37009, 40430, 42296, 43540, 52870, 56602, 61880, 68731, 74018, 80860, 87080, 105740, 113204, 137462, 141505, 148036, 161720, 185045, 211480, 226408, 274924, 283010, 296072, 343655, 370090, 481117, 549848, 566020, 687310, 740180, 962234, 1132040, 1374620, 1480360, 1924468, 2405585, 2749240, 3848936, 4811170, 9622340, 19244680]

約数ペア:

[(1, 19244680), (2, 9622340), (4, 4811170), (5, 3848936), (7, 2749240), (8, 2405585), (10, 1924468), (13, 1480360), (14, 1374620), (17, 1132040), (20, 962234), (26, 740180), (28, 687310), (34, 566020), (35, 549848), (40, 481117), (52, 370090), (56, 343655), (65, 296072), (68, 283010), (70, 274924), (85, 226408), (91, 211480), (104, 185045), (119, 161720), (130, 148036), (136, 141505), (140, 137462), (170, 113204), (182, 105740), (221, 87080), (238, 80860), (260, 74018), (280, 68731), (311, 61880), (340, 56602), (364, 52870), (442, 43540), (455, 42296), (476, 40430), (520, 37009), (595, 32344), (622, 30940), (680, 28301), (728, 26435), (884, 21770), (910, 21148), (952, 20215), (1105, 17416), (1190, 16172), (1244, 15470), (1547, 12440), (1555, 12376), (1768, 10885), (1820, 10574), (2177, 8840), (2210, 8708), (2380, 8086), (2488, 7735), (3094, 6220), (3110, 6188), (3640, 5287), (4043, 4760), (4354, 4420)]