19483380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{47}}^2$

素因数の和:123

約数の個数: 162

約数和(自身を含む): 70242354

約数和(自身を除く): 50758974

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 49, 60, 63, 70, 84, 90, 94, 98, 105, 126, 140, 141, 147, 180, 188, 196, 210, 235, 245, 252, 282, 294, 315, 329, 420, 423, 441, 470, 490, 564, 588, 630, 658, 705, 735, 846, 882, 940, 980, 987, 1260, 1316, 1410, 1470, 1645, 1692, 1764, 1974, 2115, 2205, 2209, 2303, 2820, 2940, 2961, 3290, 3948, 4230, 4410, 4418, 4606, 4935, 5922, 6580, 6627, 6909, 8460, 8820, 8836, 9212, 9870, 11045, 11515, 11844, 13254, 13818, 14805, 15463, 19740, 19881, 20727, 22090, 23030, 26508, 27636, 29610, 30926, 33135, 34545, 39762, 41454, 44180, 46060, 46389, 59220, 61852, 66270, 69090, 77315, 79524, 82908, 92778, 99405, 103635, 108241, 132540, 138180, 139167, 154630, 185556, 198810, 207270, 216482, 231945, 278334, 309260, 324723, 397620, 414540, 432964, 463890, 541205, 556668, 649446, 695835, 927780, 974169, 1082410, 1298892, 1391670, 1623615, 1948338, 2164820, 2783340, 3247230, 3896676, 4870845, 6494460, 9741690, 19483380]

約数ペア:

[(1, 19483380), (2, 9741690), (3, 6494460), (4, 4870845), (5, 3896676), (6, 3247230), (7, 2783340), (9, 2164820), (10, 1948338), (12, 1623615), (14, 1391670), (15, 1298892), (18, 1082410), (20, 974169), (21, 927780), (28, 695835), (30, 649446), (35, 556668), (36, 541205), (42, 463890), (45, 432964), (47, 414540), (49, 397620), (60, 324723), (63, 309260), (70, 278334), (84, 231945), (90, 216482), (94, 207270), (98, 198810), (105, 185556), (126, 154630), (140, 139167), (141, 138180), (147, 132540), (180, 108241), (188, 103635), (196, 99405), (210, 92778), (235, 82908), (245, 79524), (252, 77315), (282, 69090), (294, 66270), (315, 61852), (329, 59220), (420, 46389), (423, 46060), (441, 44180), (470, 41454), (490, 39762), (564, 34545), (588, 33135), (630, 30926), (658, 29610), (705, 27636), (735, 26508), (846, 23030), (882, 22090), (940, 20727), (980, 19881), (987, 19740), (1260, 15463), (1316, 14805), (1410, 13818), (1470, 13254), (1645, 11844), (1692, 11515), (1764, 11045), (1974, 9870), (2115, 9212), (2205, 8836), (2209, 8820), (2303, 8460), (2820, 6909), (2940, 6627), (2961, 6580), (3290, 5922), (3948, 4935), (4230, 4606), (4410, 4418)]