19659480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:473

約数の個数: 128

約数和(自身を含む): 65318400

約数和(自身を除く): 45658920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 30, 34, 40, 46, 51, 60, 68, 69, 85, 92, 102, 115, 120, 136, 138, 170, 184, 204, 230, 255, 276, 340, 345, 391, 408, 419, 460, 510, 552, 680, 690, 782, 838, 920, 1020, 1173, 1257, 1380, 1564, 1676, 1955, 2040, 2095, 2346, 2514, 2760, 3128, 3352, 3910, 4190, 4692, 5028, 5865, 6285, 7123, 7820, 8380, 9384, 9637, 10056, 11730, 12570, 14246, 15640, 16760, 19274, 21369, 23460, 25140, 28492, 28911, 35615, 38548, 42738, 46920, 48185, 50280, 56984, 57822, 71230, 77096, 85476, 96370, 106845, 115644, 142460, 144555, 163829, 170952, 192740, 213690, 231288, 284920, 289110, 327658, 385480, 427380, 491487, 578220, 655316, 819145, 854760, 982974, 1156440, 1310632, 1638290, 1965948, 2457435, 3276580, 3931896, 4914870, 6553160, 9829740, 19659480]

約数ペア:

[(1, 19659480), (2, 9829740), (3, 6553160), (4, 4914870), (5, 3931896), (6, 3276580), (8, 2457435), (10, 1965948), (12, 1638290), (15, 1310632), (17, 1156440), (20, 982974), (23, 854760), (24, 819145), (30, 655316), (34, 578220), (40, 491487), (46, 427380), (51, 385480), (60, 327658), (68, 289110), (69, 284920), (85, 231288), (92, 213690), (102, 192740), (115, 170952), (120, 163829), (136, 144555), (138, 142460), (170, 115644), (184, 106845), (204, 96370), (230, 85476), (255, 77096), (276, 71230), (340, 57822), (345, 56984), (391, 50280), (408, 48185), (419, 46920), (460, 42738), (510, 38548), (552, 35615), (680, 28911), (690, 28492), (782, 25140), (838, 23460), (920, 21369), (1020, 19274), (1173, 16760), (1257, 15640), (1380, 14246), (1564, 12570), (1676, 11730), (1955, 10056), (2040, 9637), (2095, 9384), (2346, 8380), (2514, 7820), (2760, 7123), (3128, 6285), (3352, 5865), (3910, 5028), (4190, 4692)]