19747320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{89}}^1$

素因数の和:189

約数の個数: 96

約数和(自身を含む): 61333200

約数和(自身を除く): 41585880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 89, 120, 129, 172, 178, 215, 258, 267, 344, 356, 430, 445, 516, 534, 645, 712, 860, 890, 1032, 1068, 1290, 1335, 1720, 1780, 1849, 2136, 2580, 2670, 3560, 3698, 3827, 5160, 5340, 5547, 7396, 7654, 9245, 10680, 11094, 11481, 14792, 15308, 18490, 19135, 22188, 22962, 27735, 30616, 36980, 38270, 44376, 45924, 55470, 57405, 73960, 76540, 91848, 110940, 114810, 153080, 164561, 221880, 229620, 329122, 459240, 493683, 658244, 822805, 987366, 1316488, 1645610, 1974732, 2468415, 3291220, 3949464, 4936830, 6582440, 9873660, 19747320]

約数ペア:

[(1, 19747320), (2, 9873660), (3, 6582440), (4, 4936830), (5, 3949464), (6, 3291220), (8, 2468415), (10, 1974732), (12, 1645610), (15, 1316488), (20, 987366), (24, 822805), (30, 658244), (40, 493683), (43, 459240), (60, 329122), (86, 229620), (89, 221880), (120, 164561), (129, 153080), (172, 114810), (178, 110940), (215, 91848), (258, 76540), (267, 73960), (344, 57405), (356, 55470), (430, 45924), (445, 44376), (516, 38270), (534, 36980), (645, 30616), (712, 27735), (860, 22962), (890, 22188), (1032, 19135), (1068, 18490), (1290, 15308), (1335, 14792), (1720, 11481), (1780, 11094), (1849, 10680), (2136, 9245), (2580, 7654), (2670, 7396), (3560, 5547), (3698, 5340), (3827, 5160)]