18923924

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 37537920

約数和(自身を除く): 18613996

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 97, 151, 194, 302, 323, 388, 604, 646, 1292, 1649, 1843, 2567, 2869, 3298, 3686, 5134, 5738, 6596, 7372, 10268, 11476, 14647, 29294, 31331, 48773, 58588, 62662, 97546, 125324, 195092, 248999, 278293, 497998, 556586, 995996, 1113172, 4730981, 9461962, 18923924]

約数ペア:

[(1, 18923924), (2, 9461962), (4, 4730981), (17, 1113172), (19, 995996), (34, 556586), (38, 497998), (68, 278293), (76, 248999), (97, 195092), (151, 125324), (194, 97546), (302, 62662), (323, 58588), (388, 48773), (604, 31331), (646, 29294), (1292, 14647), (1649, 11476), (1843, 10268), (2567, 7372), (2869, 6596), (3298, 5738), (3686, 5134)]