18941384

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 44876160

約数和(自身を除く): 25934776

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 97, 154, 194, 308, 317, 388, 616, 634, 679, 776, 1067, 1268, 1358, 2134, 2219, 2536, 2716, 3487, 4268, 4438, 5432, 6974, 7469, 8536, 8876, 13948, 14938, 17752, 24409, 27896, 29876, 30749, 48818, 59752, 61498, 97636, 122996, 195272, 215243, 245992, 338239, 430486, 676478, 860972, 1352956, 1721944, 2367673, 2705912, 4735346, 9470692, 18941384]

約数ペア:

[(1, 18941384), (2, 9470692), (4, 4735346), (7, 2705912), (8, 2367673), (11, 1721944), (14, 1352956), (22, 860972), (28, 676478), (44, 430486), (56, 338239), (77, 245992), (88, 215243), (97, 195272), (154, 122996), (194, 97636), (308, 61498), (317, 59752), (388, 48818), (616, 30749), (634, 29876), (679, 27896), (776, 24409), (1067, 17752), (1268, 14938), (1358, 13948), (2134, 8876), (2219, 8536), (2536, 7469), (2716, 6974), (3487, 5432), (4268, 4438)]