2019782175632

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{383}}^1\times {\mathrm{261379}}^1$

素因数の和:261880

約数の個数: 80

約数和(自身を含む): 4268933437440

約数和(自身を除く): 2249151261808

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 97, 104, 194, 208, 383, 388, 766, 776, 1261, 1532, 1552, 2522, 3064, 4979, 5044, 6128, 9958, 10088, 19916, 20176, 37151, 39832, 74302, 79664, 148604, 261379, 297208, 482963, 522758, 594416, 965926, 1045516, 1931852, 2091032, 3397927, 3863704, 4182064, 6795854, 7727408, 13591708, 25353763, 27183416, 50707526, 54366832, 100108157, 101415052, 200216314, 202830104, 329598919, 400432628, 405660208, 659197838, 800865256, 1301406041, 1318395676, 1601730512, 2602812082, 2636791352, 5205624164, 5273582704, 9710491229, 10411248328, 19420982458, 20822496656, 38841964916, 77683929832, 126236385977, 155367859664, 252472771954, 504945543908, 1009891087816, 2019782175632]

約数ペア:

[(1, 2019782175632), (2, 1009891087816), (4, 504945543908), (8, 252472771954), (13, 155367859664), (16, 126236385977), (26, 77683929832), (52, 38841964916), (97, 20822496656), (104, 19420982458), (194, 10411248328), (208, 9710491229), (383, 5273582704), (388, 5205624164), (766, 2636791352), (776, 2602812082), (1261, 1601730512), (1532, 1318395676), (1552, 1301406041), (2522, 800865256), (3064, 659197838), (4979, 405660208), (5044, 400432628), (6128, 329598919), (9958, 202830104), (10088, 200216314), (19916, 101415052), (20176, 100108157), (37151, 54366832), (39832, 50707526), (74302, 27183416), (79664, 25353763), (148604, 13591708), (261379, 7727408), (297208, 6795854), (482963, 4182064), (522758, 3863704), (594416, 3397927), (965926, 2091032), (1045516, 1931852)]