19789254

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1$

素因数の和:405

約数の個数: 48

約数和(自身を含む): 44394480

約数和(自身を除く): 24605226

約数列:

[1, 2, 3, 6, 9, 18, 61, 67, 122, 134, 183, 201, 269, 366, 402, 538, 549, 603, 807, 1098, 1206, 1614, 2421, 4087, 4842, 8174, 12261, 16409, 18023, 24522, 32818, 36046, 36783, 49227, 54069, 73566, 98454, 108138, 147681, 162207, 295362, 324414, 1099403, 2198806, 3298209, 6596418, 9894627, 19789254]

約数ペア:

[(1, 19789254), (2, 9894627), (3, 6596418), (6, 3298209), (9, 2198806), (18, 1099403), (61, 324414), (67, 295362), (122, 162207), (134, 147681), (183, 108138), (201, 98454), (269, 73566), (366, 54069), (402, 49227), (538, 36783), (549, 36046), (603, 32818), (807, 24522), (1098, 18023), (1206, 16409), (1614, 12261), (2421, 8174), (4087, 4842)]