18251018480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1\times {\mathrm{21557}}^1$

素因数の和:22146

約数の個数: 80

約数和(自身を含む): 44749234080

約数和(自身を除く): 26498215600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 557, 760, 1114, 1520, 2228, 2785, 4456, 5570, 8912, 10583, 11140, 21166, 21557, 22280, 42332, 43114, 44560, 52915, 84664, 86228, 105830, 107785, 169328, 172456, 211660, 215570, 344912, 409583, 423320, 431140, 819166, 846640, 862280, 1638332, 1724560, 2047915, 3276664, 4095830, 6553328, 8191660, 12007249, 16383320, 24014498, 32766640, 48028996, 60036245, 96057992, 120072490, 192115984, 228137731, 240144980, 456275462, 480289960, 912550924, 960579920, 1140688655, 1825101848, 2281377310, 3650203696, 4562754620, 9125509240, 18251018480]

約数ペア:

[(1, 18251018480), (2, 9125509240), (4, 4562754620), (5, 3650203696), (8, 2281377310), (10, 1825101848), (16, 1140688655), (19, 960579920), (20, 912550924), (38, 480289960), (40, 456275462), (76, 240144980), (80, 228137731), (95, 192115984), (152, 120072490), (190, 96057992), (304, 60036245), (380, 48028996), (557, 32766640), (760, 24014498), (1114, 16383320), (1520, 12007249), (2228, 8191660), (2785, 6553328), (4456, 4095830), (5570, 3276664), (8912, 2047915), (10583, 1724560), (11140, 1638332), (21166, 862280), (21557, 846640), (22280, 819166), (42332, 431140), (43114, 423320), (44560, 409583), (52915, 344912), (84664, 215570), (86228, 211660), (105830, 172456), (107785, 169328)]