19476621468

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{661}}^1\times {\mathrm{19963}}^1$

素因数の和:20675

約数の個数: 72

約数和(自身を含む): 50512194096

約数和(自身を除く): 31035572628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 164, 246, 369, 492, 661, 738, 1322, 1476, 1983, 2644, 3966, 5949, 7932, 11898, 19963, 23796, 27101, 39926, 54202, 59889, 79852, 81303, 108404, 119778, 162606, 179667, 239556, 243909, 325212, 359334, 487818, 718668, 818483, 975636, 1636966, 2455449, 3273932, 4910898, 7366347, 9821796, 13195543, 14732694, 26391086, 29465388, 39586629, 52782172, 79173258, 118759887, 158346516, 237519774, 475039548, 541017263, 1082034526, 1623051789, 2164069052, 3246103578, 4869155367, 6492207156, 9738310734, 19476621468]

約数ペア:

[(1, 19476621468), (2, 9738310734), (3, 6492207156), (4, 4869155367), (6, 3246103578), (9, 2164069052), (12, 1623051789), (18, 1082034526), (36, 541017263), (41, 475039548), (82, 237519774), (123, 158346516), (164, 118759887), (246, 79173258), (369, 52782172), (492, 39586629), (661, 29465388), (738, 26391086), (1322, 14732694), (1476, 13195543), (1983, 9821796), (2644, 7366347), (3966, 4910898), (5949, 3273932), (7932, 2455449), (11898, 1636966), (19963, 975636), (23796, 818483), (27101, 718668), (39926, 487818), (54202, 359334), (59889, 325212), (79852, 243909), (81303, 239556), (108404, 179667), (119778, 162606)]