19609980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:867

約数の個数: 96

約数和(自身を含む): 61114368

約数和(自身を除く): 41504388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 260, 310, 372, 390, 403, 465, 620, 780, 806, 811, 930, 1209, 1612, 1622, 1860, 2015, 2418, 2433, 3244, 4030, 4055, 4836, 4866, 6045, 8060, 8110, 9732, 10543, 12090, 12165, 16220, 21086, 24180, 24330, 25141, 31629, 42172, 48660, 50282, 52715, 63258, 75423, 100564, 105430, 125705, 126516, 150846, 158145, 210860, 251410, 301692, 316290, 326833, 377115, 502820, 632580, 653666, 754230, 980499, 1307332, 1508460, 1634165, 1960998, 3268330, 3921996, 4902495, 6536660, 9804990, 19609980]

約数ペア:

[(1, 19609980), (2, 9804990), (3, 6536660), (4, 4902495), (5, 3921996), (6, 3268330), (10, 1960998), (12, 1634165), (13, 1508460), (15, 1307332), (20, 980499), (26, 754230), (30, 653666), (31, 632580), (39, 502820), (52, 377115), (60, 326833), (62, 316290), (65, 301692), (78, 251410), (93, 210860), (124, 158145), (130, 150846), (155, 126516), (156, 125705), (186, 105430), (195, 100564), (260, 75423), (310, 63258), (372, 52715), (390, 50282), (403, 48660), (465, 42172), (620, 31629), (780, 25141), (806, 24330), (811, 24180), (930, 21086), (1209, 16220), (1612, 12165), (1622, 12090), (1860, 10543), (2015, 9732), (2418, 8110), (2433, 8060), (3244, 6045), (4030, 4866), (4055, 4836)]