1990202348

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{2843}}^1$

素因数の和:3078

約数の個数: 48

約数和(自身を含む): 3752259840

約数和(自身を除く): 1762057492

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 151, 244, 302, 604, 1159, 2318, 2843, 2869, 4636, 5686, 5738, 9211, 11372, 11476, 18422, 36844, 54017, 108034, 173423, 175009, 216068, 346846, 350018, 429293, 693692, 700036, 858586, 1717172, 3295037, 6590074, 8156567, 13180148, 16313134, 26186873, 32626268, 52373746, 104747492, 497550587, 995101174, 1990202348]

約数ペア:

[(1, 1990202348), (2, 995101174), (4, 497550587), (19, 104747492), (38, 52373746), (61, 32626268), (76, 26186873), (122, 16313134), (151, 13180148), (244, 8156567), (302, 6590074), (604, 3295037), (1159, 1717172), (2318, 858586), (2843, 700036), (2869, 693692), (4636, 429293), (5686, 350018), (5738, 346846), (9211, 216068), (11372, 175009), (11476, 173423), (18422, 108034), (36844, 54017)]