19913460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2789}}^1$

素因数の和:2825

約数の個数: 96

約数和(自身を含む): 67495680

約数和(自身を除く): 47582220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 2789, 3570, 5578, 7140, 8367, 11156, 13945, 16734, 19523, 27890, 33468, 39046, 41835, 47413, 55780, 58569, 78092, 83670, 94826, 97615, 117138, 142239, 167340, 189652, 195230, 234276, 237065, 284478, 292845, 331891, 390460, 474130, 568956, 585690, 663782, 711195, 948260, 995673, 1171380, 1327564, 1422390, 1659455, 1991346, 2844780, 3318910, 3982692, 4978365, 6637820, 9956730, 19913460]

約数ペア:

[(1, 19913460), (2, 9956730), (3, 6637820), (4, 4978365), (5, 3982692), (6, 3318910), (7, 2844780), (10, 1991346), (12, 1659455), (14, 1422390), (15, 1327564), (17, 1171380), (20, 995673), (21, 948260), (28, 711195), (30, 663782), (34, 585690), (35, 568956), (42, 474130), (51, 390460), (60, 331891), (68, 292845), (70, 284478), (84, 237065), (85, 234276), (102, 195230), (105, 189652), (119, 167340), (140, 142239), (170, 117138), (204, 97615), (210, 94826), (238, 83670), (255, 78092), (340, 58569), (357, 55780), (420, 47413), (476, 41835), (510, 39046), (595, 33468), (714, 27890), (1020, 19523), (1190, 16734), (1428, 13945), (1785, 11156), (2380, 8367), (2789, 7140), (3570, 5578)]