19197990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{983}}^1$

素因数の和:1034

約数の個数: 96

約数和(自身を含む): 58945536

約数和(自身を除く): 39747546

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 31, 35, 42, 45, 62, 63, 70, 90, 93, 105, 126, 155, 186, 210, 217, 279, 310, 315, 434, 465, 558, 630, 651, 930, 983, 1085, 1302, 1395, 1953, 1966, 2170, 2790, 2949, 3255, 3906, 4915, 5898, 6510, 6881, 8847, 9765, 9830, 13762, 14745, 17694, 19530, 20643, 29490, 30473, 34405, 41286, 44235, 60946, 61929, 68810, 88470, 91419, 103215, 123858, 152365, 182838, 206430, 213311, 274257, 304730, 309645, 426622, 457095, 548514, 619290, 639933, 914190, 1066555, 1279866, 1371285, 1919799, 2133110, 2742570, 3199665, 3839598, 6399330, 9598995, 19197990]

約数ペア:

[(1, 19197990), (2, 9598995), (3, 6399330), (5, 3839598), (6, 3199665), (7, 2742570), (9, 2133110), (10, 1919799), (14, 1371285), (15, 1279866), (18, 1066555), (21, 914190), (30, 639933), (31, 619290), (35, 548514), (42, 457095), (45, 426622), (62, 309645), (63, 304730), (70, 274257), (90, 213311), (93, 206430), (105, 182838), (126, 152365), (155, 123858), (186, 103215), (210, 91419), (217, 88470), (279, 68810), (310, 61929), (315, 60946), (434, 44235), (465, 41286), (558, 34405), (630, 30473), (651, 29490), (930, 20643), (983, 19530), (1085, 17694), (1302, 14745), (1395, 13762), (1953, 9830), (1966, 9765), (2170, 8847), (2790, 6881), (2949, 6510), (3255, 5898), (3906, 4915)]