19610888

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 43502400

約数和(自身を除く): 23891512

約数列:

[1, 2, 4, 8, 11, 19, 22, 37, 38, 44, 74, 76, 88, 148, 152, 209, 296, 317, 407, 418, 634, 703, 814, 836, 1268, 1406, 1628, 1672, 2536, 2812, 3256, 3487, 5624, 6023, 6974, 7733, 11729, 12046, 13948, 15466, 23458, 24092, 27896, 30932, 46916, 48184, 61864, 66253, 93832, 129019, 132506, 222851, 258038, 265012, 445702, 516076, 530024, 891404, 1032152, 1782808, 2451361, 4902722, 9805444, 19610888]

約数ペア:

[(1, 19610888), (2, 9805444), (4, 4902722), (8, 2451361), (11, 1782808), (19, 1032152), (22, 891404), (37, 530024), (38, 516076), (44, 445702), (74, 265012), (76, 258038), (88, 222851), (148, 132506), (152, 129019), (209, 93832), (296, 66253), (317, 61864), (407, 48184), (418, 46916), (634, 30932), (703, 27896), (814, 24092), (836, 23458), (1268, 15466), (1406, 13948), (1628, 12046), (1672, 11729), (2536, 7733), (2812, 6974), (3256, 6023), (3487, 5624)]