18939618

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{701}}^1$

素因数の和:807

約数の個数: 48

約数和(自身を含む): 43804800

約数和(自身を除く): 24865182

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 79, 114, 158, 171, 237, 342, 474, 701, 711, 1402, 1422, 1501, 2103, 3002, 4206, 4503, 6309, 9006, 12618, 13319, 13509, 26638, 27018, 39957, 55379, 79914, 110758, 119871, 166137, 239742, 332274, 498411, 996822, 1052201, 2104402, 3156603, 6313206, 9469809, 18939618]

約数ペア:

[(1, 18939618), (2, 9469809), (3, 6313206), (6, 3156603), (9, 2104402), (18, 1052201), (19, 996822), (38, 498411), (57, 332274), (79, 239742), (114, 166137), (158, 119871), (171, 110758), (237, 79914), (342, 55379), (474, 39957), (701, 27018), (711, 26638), (1402, 13509), (1422, 13319), (1501, 12618), (2103, 9006), (3002, 6309), (4206, 4503)]