19909470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{839}}^1$

素因数の和:969

約数の個数: 64

約数和(自身を含む): 55157760

約数和(自身を除く): 35248290

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 113, 210, 226, 339, 565, 678, 791, 839, 1130, 1582, 1678, 1695, 2373, 2517, 3390, 3955, 4195, 4746, 5034, 5873, 7910, 8390, 11746, 11865, 12585, 17619, 23730, 25170, 29365, 35238, 58730, 88095, 94807, 176190, 189614, 284421, 474035, 568842, 663649, 948070, 1327298, 1422105, 1990947, 2844210, 3318245, 3981894, 6636490, 9954735, 19909470]

約数ペア:

[(1, 19909470), (2, 9954735), (3, 6636490), (5, 3981894), (6, 3318245), (7, 2844210), (10, 1990947), (14, 1422105), (15, 1327298), (21, 948070), (30, 663649), (35, 568842), (42, 474035), (70, 284421), (105, 189614), (113, 176190), (210, 94807), (226, 88095), (339, 58730), (565, 35238), (678, 29365), (791, 25170), (839, 23730), (1130, 17619), (1582, 12585), (1678, 11865), (1695, 11746), (2373, 8390), (2517, 7910), (3390, 5873), (3955, 5034), (4195, 4746)]