18469633455

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{644327}}^1$

素因数の和:644365

約数の個数: 72

約数和(自身を含む): 40105552032

約数和(自身を除く): 21635918577

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 49, 63, 65, 91, 105, 117, 147, 195, 245, 273, 315, 441, 455, 585, 637, 735, 819, 1365, 1911, 2205, 3185, 4095, 5733, 9555, 28665, 644327, 1932981, 3221635, 4510289, 5798943, 8376251, 9664905, 13530867, 22551445, 25128753, 28994715, 31572023, 40592601, 41881255, 58633757, 67654335, 75386259, 94716069, 125643765, 157860115, 175901271, 202963005, 284148207, 293168785, 376931295, 410436299, 473580345, 527703813, 879506355, 1231308897, 1420741035, 2052181495, 2638519065, 3693926691, 6156544485, 18469633455]

約数ペア:

[(1, 18469633455), (3, 6156544485), (5, 3693926691), (7, 2638519065), (9, 2052181495), (13, 1420741035), (15, 1231308897), (21, 879506355), (35, 527703813), (39, 473580345), (45, 410436299), (49, 376931295), (63, 293168785), (65, 284148207), (91, 202963005), (105, 175901271), (117, 157860115), (147, 125643765), (195, 94716069), (245, 75386259), (273, 67654335), (315, 58633757), (441, 41881255), (455, 40592601), (585, 31572023), (637, 28994715), (735, 25128753), (819, 22551445), (1365, 13530867), (1911, 9664905), (2205, 8376251), (3185, 5798943), (4095, 4510289), (5733, 3221635), (9555, 1932981), (28665, 644327)]