18715532

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{367}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 38330880

約数和(自身を除く): 19615348

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 61, 76, 122, 209, 244, 367, 418, 671, 734, 836, 1159, 1342, 1468, 2318, 2684, 4037, 4636, 6973, 8074, 12749, 13946, 16148, 22387, 25498, 27892, 44774, 50996, 76703, 89548, 153406, 246257, 306812, 425353, 492514, 850706, 985028, 1701412, 4678883, 9357766, 18715532]

約数ペア:

[(1, 18715532), (2, 9357766), (4, 4678883), (11, 1701412), (19, 985028), (22, 850706), (38, 492514), (44, 425353), (61, 306812), (76, 246257), (122, 153406), (209, 89548), (244, 76703), (367, 50996), (418, 44774), (671, 27892), (734, 25498), (836, 22387), (1159, 16148), (1342, 13946), (1468, 12749), (2318, 8074), (2684, 6973), (4037, 4636)]