19723080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1$

素因数の和:343

約数の個数: 128

約数和(自身を含む): 65318400

約数和(自身を除く): 45595320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 47, 52, 60, 65, 78, 94, 104, 120, 130, 141, 156, 188, 195, 235, 260, 269, 282, 312, 376, 390, 470, 520, 538, 564, 611, 705, 780, 807, 940, 1076, 1128, 1222, 1345, 1410, 1560, 1614, 1833, 1880, 2152, 2444, 2690, 2820, 3055, 3228, 3497, 3666, 4035, 4888, 5380, 5640, 6110, 6456, 6994, 7332, 8070, 9165, 10491, 10760, 12220, 12643, 13988, 14664, 16140, 17485, 18330, 20982, 24440, 25286, 27976, 32280, 34970, 36660, 37929, 41964, 50572, 52455, 63215, 69940, 73320, 75858, 83928, 101144, 104910, 126430, 139880, 151716, 164359, 189645, 209820, 252860, 303432, 328718, 379290, 419640, 493077, 505720, 657436, 758580, 821795, 986154, 1314872, 1517160, 1643590, 1972308, 2465385, 3287180, 3944616, 4930770, 6574360, 9861540, 19723080]

約数ペア:

[(1, 19723080), (2, 9861540), (3, 6574360), (4, 4930770), (5, 3944616), (6, 3287180), (8, 2465385), (10, 1972308), (12, 1643590), (13, 1517160), (15, 1314872), (20, 986154), (24, 821795), (26, 758580), (30, 657436), (39, 505720), (40, 493077), (47, 419640), (52, 379290), (60, 328718), (65, 303432), (78, 252860), (94, 209820), (104, 189645), (120, 164359), (130, 151716), (141, 139880), (156, 126430), (188, 104910), (195, 101144), (235, 83928), (260, 75858), (269, 73320), (282, 69940), (312, 63215), (376, 52455), (390, 50572), (470, 41964), (520, 37929), (538, 36660), (564, 34970), (611, 32280), (705, 27976), (780, 25286), (807, 24440), (940, 20982), (1076, 18330), (1128, 17485), (1222, 16140), (1345, 14664), (1410, 13988), (1560, 12643), (1614, 12220), (1833, 10760), (1880, 10491), (2152, 9165), (2444, 8070), (2690, 7332), (2820, 6994), (3055, 6456), (3228, 6110), (3497, 5640), (3666, 5380), (4035, 4888)]