19879452

素因数分解:

$2^2\times 3^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 55157760

約数和(自身を除く): 35278308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 53, 54, 69, 92, 106, 108, 138, 151, 159, 207, 212, 276, 302, 318, 414, 453, 477, 604, 621, 636, 828, 906, 954, 1219, 1242, 1359, 1431, 1812, 1908, 2438, 2484, 2718, 2862, 3473, 3657, 4077, 4876, 5436, 5724, 6946, 7314, 8003, 8154, 10419, 10971, 13892, 14628, 16006, 16308, 20838, 21942, 24009, 31257, 32012, 32913, 41676, 43884, 48018, 62514, 65826, 72027, 93771, 96036, 125028, 131652, 144054, 184069, 187542, 216081, 288108, 368138, 375084, 432162, 552207, 736276, 864324, 1104414, 1656621, 2208828, 3313242, 4969863, 6626484, 9939726, 19879452]

約数ペア:

[(1, 19879452), (2, 9939726), (3, 6626484), (4, 4969863), (6, 3313242), (9, 2208828), (12, 1656621), (18, 1104414), (23, 864324), (27, 736276), (36, 552207), (46, 432162), (53, 375084), (54, 368138), (69, 288108), (92, 216081), (106, 187542), (108, 184069), (138, 144054), (151, 131652), (159, 125028), (207, 96036), (212, 93771), (276, 72027), (302, 65826), (318, 62514), (414, 48018), (453, 43884), (477, 41676), (604, 32913), (621, 32012), (636, 31257), (828, 24009), (906, 21942), (954, 20838), (1219, 16308), (1242, 16006), (1359, 14628), (1431, 13892), (1812, 10971), (1908, 10419), (2438, 8154), (2484, 8003), (2718, 7314), (2862, 6946), (3473, 5724), (3657, 5436), (4077, 4876)]