181840412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^2$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 375132240

約数和(自身を除く): 193291828

約数列:

[1, 2, 4, 13, 19, 26, 38, 41, 52, 67, 76, 82, 134, 164, 247, 268, 494, 533, 779, 871, 988, 1066, 1273, 1558, 1742, 2132, 2546, 2747, 3116, 3484, 4489, 5092, 5494, 8978, 10127, 10988, 16549, 17956, 20254, 33098, 35711, 40508, 52193, 58357, 66196, 71422, 85291, 104386, 116714, 142844, 170582, 184049, 208772, 233428, 341164, 368098, 678509, 736196, 1108783, 1357018, 2217566, 2392637, 2714036, 3496931, 4435132, 4785274, 6993862, 9570548, 13987724, 45460103, 90920206, 181840412]

約数ペア:

[(1, 181840412), (2, 90920206), (4, 45460103), (13, 13987724), (19, 9570548), (26, 6993862), (38, 4785274), (41, 4435132), (52, 3496931), (67, 2714036), (76, 2392637), (82, 2217566), (134, 1357018), (164, 1108783), (247, 736196), (268, 678509), (494, 368098), (533, 341164), (779, 233428), (871, 208772), (988, 184049), (1066, 170582), (1273, 142844), (1558, 116714), (1742, 104386), (2132, 85291), (2546, 71422), (2747, 66196), (3116, 58357), (3484, 52193), (4489, 40508), (5092, 35711), (5494, 33098), (8978, 20254), (10127, 17956), (10988, 16549)]