2018654990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{1913}}^1$

素因数の和:2165

約数の個数: 64

約数和(自身を含む): 4063131072

約数和(自身を除く): 2044476082

約数列:

[1, 2, 5, 10, 11, 22, 53, 55, 106, 110, 181, 265, 362, 530, 583, 905, 1166, 1810, 1913, 1991, 2915, 3826, 3982, 5830, 9565, 9593, 9955, 19130, 19186, 19910, 21043, 42086, 47965, 95930, 101389, 105215, 105523, 202778, 210430, 211046, 346253, 506945, 527615, 692506, 1013890, 1055230, 1115279, 1731265, 2230558, 3462530, 3808783, 5576395, 7617566, 11152790, 18351409, 19043915, 36702818, 38087830, 91757045, 183514090, 201865499, 403730998, 1009327495, 2018654990]

約数ペア:

[(1, 2018654990), (2, 1009327495), (5, 403730998), (10, 201865499), (11, 183514090), (22, 91757045), (53, 38087830), (55, 36702818), (106, 19043915), (110, 18351409), (181, 11152790), (265, 7617566), (362, 5576395), (530, 3808783), (583, 3462530), (905, 2230558), (1166, 1731265), (1810, 1115279), (1913, 1055230), (1991, 1013890), (2915, 692506), (3826, 527615), (3982, 506945), (5830, 346253), (9565, 211046), (9593, 210430), (9955, 202778), (19130, 105523), (19186, 105215), (19910, 101389), (21043, 95930), (42086, 47965)]