18436680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:460

約数の個数: 128

約数和(自身を含む): 63043200

約数和(自身を除く): 44606520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 43, 45, 54, 60, 72, 86, 90, 108, 120, 129, 135, 172, 180, 215, 216, 258, 270, 344, 360, 387, 397, 430, 516, 540, 645, 774, 794, 860, 1032, 1080, 1161, 1191, 1290, 1548, 1588, 1720, 1935, 1985, 2322, 2382, 2580, 3096, 3176, 3573, 3870, 3970, 4644, 4764, 5160, 5805, 5955, 7146, 7740, 7940, 9288, 9528, 10719, 11610, 11910, 14292, 15480, 15880, 17071, 17865, 21438, 23220, 23820, 28584, 34142, 35730, 42876, 46440, 47640, 51213, 53595, 68284, 71460, 85355, 85752, 102426, 107190, 136568, 142920, 153639, 170710, 204852, 214380, 256065, 307278, 341420, 409704, 428760, 460917, 512130, 614556, 682840, 768195, 921834, 1024260, 1229112, 1536390, 1843668, 2048520, 2304585, 3072780, 3687336, 4609170, 6145560, 9218340, 18436680]

約数ペア:

[(1, 18436680), (2, 9218340), (3, 6145560), (4, 4609170), (5, 3687336), (6, 3072780), (8, 2304585), (9, 2048520), (10, 1843668), (12, 1536390), (15, 1229112), (18, 1024260), (20, 921834), (24, 768195), (27, 682840), (30, 614556), (36, 512130), (40, 460917), (43, 428760), (45, 409704), (54, 341420), (60, 307278), (72, 256065), (86, 214380), (90, 204852), (108, 170710), (120, 153639), (129, 142920), (135, 136568), (172, 107190), (180, 102426), (215, 85752), (216, 85355), (258, 71460), (270, 68284), (344, 53595), (360, 51213), (387, 47640), (397, 46440), (430, 42876), (516, 35730), (540, 34142), (645, 28584), (774, 23820), (794, 23220), (860, 21438), (1032, 17865), (1080, 17071), (1161, 15880), (1191, 15480), (1290, 14292), (1548, 11910), (1588, 11610), (1720, 10719), (1935, 9528), (1985, 9288), (2322, 7940), (2382, 7740), (2580, 7146), (3096, 5955), (3176, 5805), (3573, 5160), (3870, 4764), (3970, 4644)]