19449958

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:161

約数の個数: 48

約数和(自身を含む): 35112960

約数和(自身を除く): 15663002

約数列:

[1, 2, 11, 19, 22, 31, 38, 62, 79, 158, 209, 341, 361, 418, 589, 682, 722, 869, 1178, 1501, 1738, 2449, 3002, 3971, 4898, 6479, 7942, 11191, 12958, 16511, 22382, 26939, 28519, 33022, 46531, 53878, 57038, 93062, 123101, 246202, 313709, 511841, 627418, 884089, 1023682, 1768178, 9724979, 19449958]

約数ペア:

[(1, 19449958), (2, 9724979), (11, 1768178), (19, 1023682), (22, 884089), (31, 627418), (38, 511841), (62, 313709), (79, 246202), (158, 123101), (209, 93062), (341, 57038), (361, 53878), (418, 46531), (589, 33022), (682, 28519), (722, 26939), (869, 22382), (1178, 16511), (1501, 12958), (1738, 11191), (2449, 7942), (3002, 6479), (3971, 4898)]