38899916

素因数分解:

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

素因数の和:163

約数の個数: 72

約数和(自身を含む): 81930240

約数和(自身を除く): 43030324

約数列:

[1, 2, 4, 11, 19, 22, 31, 38, 44, 62, 76, 79, 124, 158, 209, 316, 341, 361, 418, 589, 682, 722, 836, 869, 1178, 1364, 1444, 1501, 1738, 2356, 2449, 3002, 3476, 3971, 4898, 6004, 6479, 7942, 9796, 11191, 12958, 15884, 16511, 22382, 25916, 26939, 28519, 33022, 44764, 46531, 53878, 57038, 66044, 93062, 107756, 114076, 123101, 186124, 246202, 313709, 492404, 511841, 627418, 884089, 1023682, 1254836, 1768178, 2047364, 3536356, 9724979, 19449958, 38899916]

約数ペア:

[(1, 38899916), (2, 19449958), (4, 9724979), (11, 3536356), (19, 2047364), (22, 1768178), (31, 1254836), (38, 1023682), (44, 884089), (62, 627418), (76, 511841), (79, 492404), (124, 313709), (158, 246202), (209, 186124), (316, 123101), (341, 114076), (361, 107756), (418, 93062), (589, 66044), (682, 57038), (722, 53878), (836, 46531), (869, 44764), (1178, 33022), (1364, 28519), (1444, 26939), (1501, 25916), (1738, 22382), (2356, 16511), (2449, 15884), (3002, 12958), (3476, 11191), (3971, 9796), (4898, 7942), (6004, 6479)]