18078940220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{20873}}^1$

素因数の和:21051

約数の個数: 96

約数和(自身を含む): 43091951616

約数和(自身を除く): 25013011396

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 127, 155, 220, 254, 310, 341, 508, 620, 635, 682, 1270, 1364, 1397, 1705, 2540, 2794, 3410, 3937, 5588, 6820, 6985, 7874, 13970, 15748, 19685, 20873, 27940, 39370, 41746, 43307, 78740, 83492, 86614, 104365, 173228, 208730, 216535, 229603, 417460, 433070, 459206, 647063, 866140, 918412, 1148015, 1294126, 2296030, 2588252, 2650871, 3235315, 4592060, 5301742, 6470630, 7117693, 10603484, 12941260, 13254355, 14235386, 26508710, 28470772, 29159581, 35588465, 53017420, 58319162, 71176930, 82177001, 116638324, 142353860, 145797905, 164354002, 291595810, 328708004, 410885005, 583191620, 821770010, 903947011, 1643540020, 1807894022, 3615788044, 4519735055, 9039470110, 18078940220]

約数ペア:

[(1, 18078940220), (2, 9039470110), (4, 4519735055), (5, 3615788044), (10, 1807894022), (11, 1643540020), (20, 903947011), (22, 821770010), (31, 583191620), (44, 410885005), (55, 328708004), (62, 291595810), (110, 164354002), (124, 145797905), (127, 142353860), (155, 116638324), (220, 82177001), (254, 71176930), (310, 58319162), (341, 53017420), (508, 35588465), (620, 29159581), (635, 28470772), (682, 26508710), (1270, 14235386), (1364, 13254355), (1397, 12941260), (1705, 10603484), (2540, 7117693), (2794, 6470630), (3410, 5301742), (3937, 4592060), (5588, 3235315), (6820, 2650871), (6985, 2588252), (7874, 2296030), (13970, 1294126), (15748, 1148015), (19685, 918412), (20873, 866140), (27940, 647063), (39370, 459206), (41746, 433070), (43307, 417460), (78740, 229603), (83492, 216535), (86614, 208730), (104365, 173228)]