18967962

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 43464960

約数和(自身を除く): 24496998

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 97, 109, 138, 194, 218, 291, 299, 327, 582, 598, 654, 897, 1261, 1417, 1794, 2231, 2507, 2522, 2834, 3783, 4251, 4462, 5014, 6693, 7521, 7566, 8502, 10573, 13386, 15042, 21146, 29003, 31719, 32591, 58006, 63438, 65182, 87009, 97773, 137449, 174018, 195546, 243179, 274898, 412347, 486358, 729537, 824694, 1459074, 3161327, 6322654, 9483981, 18967962]

約数ペア:

[(1, 18967962), (2, 9483981), (3, 6322654), (6, 3161327), (13, 1459074), (23, 824694), (26, 729537), (39, 486358), (46, 412347), (69, 274898), (78, 243179), (97, 195546), (109, 174018), (138, 137449), (194, 97773), (218, 87009), (291, 65182), (299, 63438), (327, 58006), (582, 32591), (598, 31719), (654, 29003), (897, 21146), (1261, 15042), (1417, 13386), (1794, 10573), (2231, 8502), (2507, 7566), (2522, 7521), (2834, 6693), (3783, 5014), (4251, 4462)]