19089908

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 37470720

約数和(自身を除く): 18380812

約数列:

[1, 2, 4, 19, 23, 38, 46, 67, 76, 92, 134, 163, 268, 326, 437, 652, 874, 1273, 1541, 1748, 2546, 3082, 3097, 3749, 5092, 6164, 6194, 7498, 10921, 12388, 14996, 21842, 29279, 43684, 58558, 71231, 117116, 142462, 207499, 251183, 284924, 414998, 502366, 829996, 1004732, 4772477, 9544954, 19089908]

約数ペア:

[(1, 19089908), (2, 9544954), (4, 4772477), (19, 1004732), (23, 829996), (38, 502366), (46, 414998), (67, 284924), (76, 251183), (92, 207499), (134, 142462), (163, 117116), (268, 71231), (326, 58558), (437, 43684), (652, 29279), (874, 21842), (1273, 14996), (1541, 12388), (1748, 10921), (2546, 7498), (3082, 6194), (3097, 6164), (3749, 5092)]