19177751216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1\times {\mathrm{7417}}^1$

素因数の和:7870

約数の個数: 80

約数和(自身を含む): 41414515968

約数和(自身を除く): 22236764752

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 401, 403, 496, 802, 806, 1604, 1612, 3208, 3224, 5213, 6416, 6448, 7417, 10426, 12431, 14834, 20852, 24862, 29668, 41704, 49724, 59336, 83408, 96421, 99448, 118672, 161603, 192842, 198896, 229927, 323206, 385684, 459854, 646412, 771368, 919708, 1292824, 1542736, 1839416, 2585648, 2974217, 2989051, 3678832, 5948434, 5978102, 11896868, 11956204, 23793736, 23912408, 38664821, 47587472, 47824816, 77329642, 92200727, 154659284, 184401454, 309318568, 368802908, 618637136, 737605816, 1198609451, 1475211632, 2397218902, 4794437804, 9588875608, 19177751216]

約数ペア:

[(1, 19177751216), (2, 9588875608), (4, 4794437804), (8, 2397218902), (13, 1475211632), (16, 1198609451), (26, 737605816), (31, 618637136), (52, 368802908), (62, 309318568), (104, 184401454), (124, 154659284), (208, 92200727), (248, 77329642), (401, 47824816), (403, 47587472), (496, 38664821), (802, 23912408), (806, 23793736), (1604, 11956204), (1612, 11896868), (3208, 5978102), (3224, 5948434), (5213, 3678832), (6416, 2989051), (6448, 2974217), (7417, 2585648), (10426, 1839416), (12431, 1542736), (14834, 1292824), (20852, 919708), (24862, 771368), (29668, 646412), (41704, 459854), (49724, 385684), (59336, 323206), (83408, 229927), (96421, 198896), (99448, 192842), (118672, 161603)]