19452580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:209

約数の個数: 96

約数和(自身を含む): 50319360

約数和(自身を除く): 30866780

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 71, 76, 95, 103, 133, 140, 142, 190, 206, 266, 284, 355, 380, 412, 497, 515, 532, 665, 710, 721, 994, 1030, 1330, 1349, 1420, 1442, 1957, 1988, 2060, 2485, 2660, 2698, 2884, 3605, 3914, 4970, 5396, 6745, 7210, 7313, 7828, 9443, 9785, 9940, 13490, 13699, 14420, 14626, 18886, 19570, 26980, 27398, 29252, 36565, 37772, 39140, 47215, 51191, 54796, 68495, 73130, 94430, 102382, 136990, 138947, 146260, 188860, 204764, 255955, 273980, 277894, 511910, 555788, 694735, 972629, 1023820, 1389470, 1945258, 2778940, 3890516, 4863145, 9726290, 19452580]

約数ペア:

[(1, 19452580), (2, 9726290), (4, 4863145), (5, 3890516), (7, 2778940), (10, 1945258), (14, 1389470), (19, 1023820), (20, 972629), (28, 694735), (35, 555788), (38, 511910), (70, 277894), (71, 273980), (76, 255955), (95, 204764), (103, 188860), (133, 146260), (140, 138947), (142, 136990), (190, 102382), (206, 94430), (266, 73130), (284, 68495), (355, 54796), (380, 51191), (412, 47215), (497, 39140), (515, 37772), (532, 36565), (665, 29252), (710, 27398), (721, 26980), (994, 19570), (1030, 18886), (1330, 14626), (1349, 14420), (1420, 13699), (1442, 13490), (1957, 9940), (1988, 9785), (2060, 9443), (2485, 7828), (2660, 7313), (2698, 7210), (2884, 6745), (3605, 5396), (3914, 4970)]