19190280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1$

素因数の和:463

約数の個数: 128

約数和(自身を含む): 63763200

約数和(自身を除く): 44572920

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, 409, 460, 510, 552, 680, 690, 782, 818, 920, 1020, 1173, 1227, 1380, 1564, 1636, 1955, 2040, 2045, 2346, 2454, 2760, 3128, 3272, 3910, 4090, 4692, 4908, 5865, 6135, 6953, 7820, 8180, 9384, 9407, 9816, 11730, 12270, 13906, 15640, 16360, 18814, 20859, 23460, 24540, 27812, 28221, 34765, 37628, 41718, 46920, 47035, 49080, 55624, 56442, 69530, 75256, 83436, 94070, 104295, 112884, 139060, 141105, 159919, 166872, 188140, 208590, 225768, 278120, 282210, 319838, 376280, 417180, 479757, 564420, 639676, 799595, 834360, 959514, 1128840, 1279352, 1599190, 1919028, 2398785, 3198380, 3838056, 4797570, 6396760, 9595140, 19190280]

約数ペア:

[(1, 19190280), (2, 9595140), (3, 6396760), (4, 4797570), (5, 3838056), (6, 3198380), (8, 2398785), (10, 1919028), (12, 1599190), (15, 1279352), (17, 1128840), (20, 959514), (23, 834360), (24, 799595), (30, 639676), (34, 564420), (40, 479757), (46, 417180), (51, 376280), (60, 319838), (68, 282210), (69, 278120), (85, 225768), (92, 208590), (102, 188140), (115, 166872), (120, 159919), (136, 141105), (138, 139060), (170, 112884), (184, 104295), (204, 94070), (230, 83436), (255, 75256), (276, 69530), (340, 56442), (345, 55624), (391, 49080), (408, 47035), (409, 46920), (460, 41718), (510, 37628), (552, 34765), (680, 28221), (690, 27812), (782, 24540), (818, 23460), (920, 20859), (1020, 18814), (1173, 16360), (1227, 15640), (1380, 13906), (1564, 12270), (1636, 11730), (1955, 9816), (2040, 9407), (2045, 9384), (2346, 8180), (2454, 7820), (2760, 6953), (3128, 6135), (3272, 5865), (3910, 4908), (4090, 4692)]