18743868

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{331}}^1$

素因数の和:376

約数の個数: 108

約数和(自身を含む): 56254744

約数和(自身を除く): 37510876

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 121, 132, 143, 156, 198, 234, 242, 286, 331, 363, 396, 429, 468, 484, 572, 662, 726, 858, 993, 1089, 1287, 1324, 1452, 1573, 1716, 1986, 2178, 2574, 2979, 3146, 3641, 3972, 4303, 4356, 4719, 5148, 5958, 6292, 7282, 8606, 9438, 10923, 11916, 12909, 14157, 14564, 17212, 18876, 21846, 25818, 28314, 32769, 38727, 40051, 43692, 47333, 51636, 56628, 65538, 77454, 80102, 94666, 120153, 131076, 141999, 154908, 160204, 189332, 240306, 283998, 360459, 425997, 480612, 520663, 567996, 720918, 851994, 1041326, 1441836, 1561989, 1703988, 2082652, 3123978, 4685967, 6247956, 9371934, 18743868]

約数ペア:

[(1, 18743868), (2, 9371934), (3, 6247956), (4, 4685967), (6, 3123978), (9, 2082652), (11, 1703988), (12, 1561989), (13, 1441836), (18, 1041326), (22, 851994), (26, 720918), (33, 567996), (36, 520663), (39, 480612), (44, 425997), (52, 360459), (66, 283998), (78, 240306), (99, 189332), (117, 160204), (121, 154908), (132, 141999), (143, 131076), (156, 120153), (198, 94666), (234, 80102), (242, 77454), (286, 65538), (331, 56628), (363, 51636), (396, 47333), (429, 43692), (468, 40051), (484, 38727), (572, 32769), (662, 28314), (726, 25818), (858, 21846), (993, 18876), (1089, 17212), (1287, 14564), (1324, 14157), (1452, 12909), (1573, 11916), (1716, 10923), (1986, 9438), (2178, 8606), (2574, 7282), (2979, 6292), (3146, 5958), (3641, 5148), (3972, 4719), (4303, 4356)]