19418152

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:386

約数の個数: 64

約数和(自身を含む): 42739200

約数和(自身を除く): 23321048

約数列:

[1, 2, 4, 8, 13, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 247, 248, 317, 403, 494, 589, 634, 806, 988, 1178, 1268, 1612, 1976, 2356, 2536, 3224, 4121, 4712, 6023, 7657, 8242, 9827, 12046, 15314, 16484, 19654, 24092, 30628, 32968, 39308, 48184, 61256, 78299, 78616, 127751, 156598, 186713, 255502, 313196, 373426, 511004, 626392, 746852, 1022008, 1493704, 2427269, 4854538, 9709076, 19418152]

約数ペア:

[(1, 19418152), (2, 9709076), (4, 4854538), (8, 2427269), (13, 1493704), (19, 1022008), (26, 746852), (31, 626392), (38, 511004), (52, 373426), (62, 313196), (76, 255502), (104, 186713), (124, 156598), (152, 127751), (247, 78616), (248, 78299), (317, 61256), (403, 48184), (494, 39308), (589, 32968), (634, 30628), (806, 24092), (988, 19654), (1178, 16484), (1268, 15314), (1612, 12046), (1976, 9827), (2356, 8242), (2536, 7657), (3224, 6023), (4121, 4712)]