20186872430

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{331}}^1\times {\mathrm{1613}}^1$

素因数の和:2169

約数の個数: 64

約数和(自身を含む): 38581056000

約数和(自身を除く): 18394183570

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 199, 331, 398, 662, 995, 1613, 1655, 1990, 3226, 3310, 3781, 6289, 7562, 8065, 12578, 16130, 18905, 30647, 31445, 37810, 61294, 62890, 65869, 131738, 153235, 306470, 320987, 329345, 533903, 641974, 658690, 1067806, 1251511, 1604935, 2503022, 2669515, 3209870, 5339030, 6098753, 6257555, 10144157, 12197506, 12515110, 20288314, 30493765, 50720785, 60987530, 101441570, 106246697, 212493394, 531233485, 1062466970, 2018687243, 4037374486, 10093436215, 20186872430]

約数ペア:

[(1, 20186872430), (2, 10093436215), (5, 4037374486), (10, 2018687243), (19, 1062466970), (38, 531233485), (95, 212493394), (190, 106246697), (199, 101441570), (331, 60987530), (398, 50720785), (662, 30493765), (995, 20288314), (1613, 12515110), (1655, 12197506), (1990, 10144157), (3226, 6257555), (3310, 6098753), (3781, 5339030), (6289, 3209870), (7562, 2669515), (8065, 2503022), (12578, 1604935), (16130, 1251511), (18905, 1067806), (30647, 658690), (31445, 641974), (37810, 533903), (61294, 329345), (62890, 320987), (65869, 306470), (131738, 153235)]