19775272

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{659}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 42134400

約数和(自身を除く): 22359128

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 121, 124, 242, 248, 341, 484, 659, 682, 968, 1318, 1364, 2636, 2728, 3751, 5272, 7249, 7502, 14498, 15004, 20429, 28996, 30008, 40858, 57992, 79739, 81716, 159478, 163432, 224719, 318956, 449438, 637912, 898876, 1797752, 2471909, 4943818, 9887636, 19775272]

約数ペア:

[(1, 19775272), (2, 9887636), (4, 4943818), (8, 2471909), (11, 1797752), (22, 898876), (31, 637912), (44, 449438), (62, 318956), (88, 224719), (121, 163432), (124, 159478), (242, 81716), (248, 79739), (341, 57992), (484, 40858), (659, 30008), (682, 28996), (968, 20429), (1318, 15004), (1364, 14498), (2636, 7502), (2728, 7249), (3751, 5272)]