19049940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1163}}^1$

素因数の和:1198

約数の個数: 144

約数和(自身を含む): 71180928

約数和(自身を除く): 52130988

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1163, 1170, 1260, 1365, 1638, 1820, 2326, 2340, 2730, 3276, 3489, 4095, 4652, 5460, 5815, 6978, 8141, 8190, 10467, 11630, 13956, 15119, 16282, 16380, 17445, 20934, 23260, 24423, 30238, 32564, 34890, 40705, 41868, 45357, 48846, 52335, 60476, 69780, 73269, 75595, 81410, 90714, 97692, 104670, 105833, 122115, 136071, 146538, 151190, 162820, 181428, 209340, 211666, 226785, 244230, 272142, 293076, 302380, 317499, 366345, 423332, 453570, 488460, 529165, 544284, 634998, 680355, 732690, 907140, 952497, 1058330, 1269996, 1360710, 1465380, 1587495, 1904994, 2116660, 2721420, 3174990, 3809988, 4762485, 6349980, 9524970, 19049940]

約数ペア:

[(1, 19049940), (2, 9524970), (3, 6349980), (4, 4762485), (5, 3809988), (6, 3174990), (7, 2721420), (9, 2116660), (10, 1904994), (12, 1587495), (13, 1465380), (14, 1360710), (15, 1269996), (18, 1058330), (20, 952497), (21, 907140), (26, 732690), (28, 680355), (30, 634998), (35, 544284), (36, 529165), (39, 488460), (42, 453570), (45, 423332), (52, 366345), (60, 317499), (63, 302380), (65, 293076), (70, 272142), (78, 244230), (84, 226785), (90, 211666), (91, 209340), (105, 181428), (117, 162820), (126, 151190), (130, 146538), (140, 136071), (156, 122115), (180, 105833), (182, 104670), (195, 97692), (210, 90714), (234, 81410), (252, 75595), (260, 73269), (273, 69780), (315, 60476), (364, 52335), (390, 48846), (420, 45357), (455, 41868), (468, 40705), (546, 34890), (585, 32564), (630, 30238), (780, 24423), (819, 23260), (910, 20934), (1092, 17445), (1163, 16380), (1170, 16282), (1260, 15119), (1365, 13956), (1638, 11630), (1820, 10467), (2326, 8190), (2340, 8141), (2730, 6978), (3276, 5815), (3489, 5460), (4095, 4652)]