19805850

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{863}}^1$

素因数の和:901

約数の個数: 96

約数和(自身を含む): 57853440

約数和(自身を除く): 38047590

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 25, 27, 30, 34, 45, 50, 51, 54, 75, 85, 90, 102, 135, 150, 153, 170, 225, 255, 270, 306, 425, 450, 459, 510, 675, 765, 850, 863, 918, 1275, 1350, 1530, 1726, 2295, 2550, 2589, 3825, 4315, 4590, 5178, 7650, 7767, 8630, 11475, 12945, 14671, 15534, 21575, 22950, 23301, 25890, 29342, 38835, 43150, 44013, 46602, 64725, 73355, 77670, 88026, 116505, 129450, 132039, 146710, 194175, 220065, 233010, 264078, 366775, 388350, 396117, 440130, 582525, 660195, 733550, 792234, 1100325, 1165050, 1320390, 1980585, 2200650, 3300975, 3961170, 6601950, 9902925, 19805850]

約数ペア:

[(1, 19805850), (2, 9902925), (3, 6601950), (5, 3961170), (6, 3300975), (9, 2200650), (10, 1980585), (15, 1320390), (17, 1165050), (18, 1100325), (25, 792234), (27, 733550), (30, 660195), (34, 582525), (45, 440130), (50, 396117), (51, 388350), (54, 366775), (75, 264078), (85, 233010), (90, 220065), (102, 194175), (135, 146710), (150, 132039), (153, 129450), (170, 116505), (225, 88026), (255, 77670), (270, 73355), (306, 64725), (425, 46602), (450, 44013), (459, 43150), (510, 38835), (675, 29342), (765, 25890), (850, 23301), (863, 22950), (918, 21575), (1275, 15534), (1350, 14671), (1530, 12945), (1726, 11475), (2295, 8630), (2550, 7767), (2589, 7650), (3825, 5178), (4315, 4590)]