19944464580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{334751}}^1$

素因数の和:335097

約数の個数: 72

約数和(自身を含む): 60681164544

約数和(自身を除く): 40736699964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 331, 662, 993, 1324, 1655, 1986, 2979, 3310, 3972, 4965, 5958, 6620, 9930, 11916, 14895, 19860, 29790, 59580, 334751, 669502, 1004253, 1339004, 1673755, 2008506, 3012759, 3347510, 4017012, 5021265, 6025518, 6695020, 10042530, 12051036, 15063795, 20085060, 30127590, 60255180, 110802581, 221605162, 332407743, 443210324, 554012905, 664815486, 997223229, 1108025810, 1329630972, 1662038715, 1994446458, 2216051620, 3324077430, 3988892916, 4986116145, 6648154860, 9972232290, 19944464580]

約数ペア:

[(1, 19944464580), (2, 9972232290), (3, 6648154860), (4, 4986116145), (5, 3988892916), (6, 3324077430), (9, 2216051620), (10, 1994446458), (12, 1662038715), (15, 1329630972), (18, 1108025810), (20, 997223229), (30, 664815486), (36, 554012905), (45, 443210324), (60, 332407743), (90, 221605162), (180, 110802581), (331, 60255180), (662, 30127590), (993, 20085060), (1324, 15063795), (1655, 12051036), (1986, 10042530), (2979, 6695020), (3310, 6025518), (3972, 5021265), (4965, 4017012), (5958, 3347510), (6620, 3012759), (9930, 2008506), (11916, 1673755), (14895, 1339004), (19860, 1004253), (29790, 669502), (59580, 334751)]