18547952

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:178

約数の個数: 80

約数和(自身を含む): 41559840

約数和(自身を除く): 23011888

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 37, 38, 68, 74, 76, 97, 136, 148, 152, 194, 272, 296, 304, 323, 388, 592, 629, 646, 703, 776, 1258, 1292, 1406, 1552, 1649, 1843, 2516, 2584, 2812, 3298, 3589, 3686, 5032, 5168, 5624, 6596, 7178, 7372, 10064, 11248, 11951, 13192, 14356, 14744, 23902, 26384, 28712, 29488, 31331, 47804, 57424, 61013, 62662, 68191, 95608, 122026, 125324, 136382, 191216, 244052, 250648, 272764, 488104, 501296, 545528, 976208, 1091056, 1159247, 2318494, 4636988, 9273976, 18547952]

約数ペア:

[(1, 18547952), (2, 9273976), (4, 4636988), (8, 2318494), (16, 1159247), (17, 1091056), (19, 976208), (34, 545528), (37, 501296), (38, 488104), (68, 272764), (74, 250648), (76, 244052), (97, 191216), (136, 136382), (148, 125324), (152, 122026), (194, 95608), (272, 68191), (296, 62662), (304, 61013), (323, 57424), (388, 47804), (592, 31331), (629, 29488), (646, 28712), (703, 26384), (776, 23902), (1258, 14744), (1292, 14356), (1406, 13192), (1552, 11951), (1649, 11248), (1843, 10064), (2516, 7372), (2584, 7178), (2812, 6596), (3298, 5624), (3589, 5168), (3686, 5032)]