19378240

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:276

約数の個数: 112

約数和(自身を含む): 54278784

約数和(自身を除く): 34900544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 56, 64, 70, 80, 82, 112, 140, 160, 164, 205, 211, 224, 280, 287, 320, 328, 410, 422, 448, 560, 574, 656, 820, 844, 1055, 1120, 1148, 1312, 1435, 1477, 1640, 1688, 2110, 2240, 2296, 2624, 2870, 2954, 3280, 3376, 4220, 4592, 5740, 5908, 6560, 6752, 7385, 8440, 8651, 9184, 11480, 11816, 13120, 13504, 14770, 16880, 17302, 18368, 22960, 23632, 29540, 33760, 34604, 43255, 45920, 47264, 59080, 60557, 67520, 69208, 86510, 91840, 94528, 118160, 121114, 138416, 173020, 236320, 242228, 276832, 302785, 346040, 472640, 484456, 553664, 605570, 692080, 968912, 1211140, 1384160, 1937824, 2422280, 2768320, 3875648, 4844560, 9689120, 19378240]

約数ペア:

[(1, 19378240), (2, 9689120), (4, 4844560), (5, 3875648), (7, 2768320), (8, 2422280), (10, 1937824), (14, 1384160), (16, 1211140), (20, 968912), (28, 692080), (32, 605570), (35, 553664), (40, 484456), (41, 472640), (56, 346040), (64, 302785), (70, 276832), (80, 242228), (82, 236320), (112, 173020), (140, 138416), (160, 121114), (164, 118160), (205, 94528), (211, 91840), (224, 86510), (280, 69208), (287, 67520), (320, 60557), (328, 59080), (410, 47264), (422, 45920), (448, 43255), (560, 34604), (574, 33760), (656, 29540), (820, 23632), (844, 22960), (1055, 18368), (1120, 17302), (1148, 16880), (1312, 14770), (1435, 13504), (1477, 13120), (1640, 11816), (1688, 11480), (2110, 9184), (2240, 8651), (2296, 8440), (2624, 7385), (2870, 6752), (2954, 6560), (3280, 5908), (3376, 5740), (4220, 4592)]