19862460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6491}}^1$

素因数の和:6523

約数の個数: 72

約数和(自身を含む): 63803376

約数和(自身を除く): 43940916

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 6491, 12982, 19473, 25964, 32455, 38946, 58419, 64910, 77892, 97365, 110347, 116838, 129820, 194730, 220694, 233676, 292095, 331041, 389460, 441388, 551735, 584190, 662082, 993123, 1103470, 1168380, 1324164, 1655205, 1986246, 2206940, 3310410, 3972492, 4965615, 6620820, 9931230, 19862460]

約数ペア:

[(1, 19862460), (2, 9931230), (3, 6620820), (4, 4965615), (5, 3972492), (6, 3310410), (9, 2206940), (10, 1986246), (12, 1655205), (15, 1324164), (17, 1168380), (18, 1103470), (20, 993123), (30, 662082), (34, 584190), (36, 551735), (45, 441388), (51, 389460), (60, 331041), (68, 292095), (85, 233676), (90, 220694), (102, 194730), (153, 129820), (170, 116838), (180, 110347), (204, 97365), (255, 77892), (306, 64910), (340, 58419), (510, 38946), (612, 32455), (765, 25964), (1020, 19473), (1530, 12982), (3060, 6491)]