19811352

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{743}}^1$

素因数の和:864

約数の個数: 64

約数和(自身を含む): 54639360

約数和(自身を除く): 34828008

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 101, 132, 202, 264, 303, 404, 606, 743, 808, 1111, 1212, 1486, 2222, 2229, 2424, 2972, 3333, 4444, 4458, 5944, 6666, 8173, 8888, 8916, 13332, 16346, 17832, 24519, 26664, 32692, 49038, 65384, 75043, 98076, 150086, 196152, 225129, 300172, 450258, 600344, 825473, 900516, 1650946, 1801032, 2476419, 3301892, 4952838, 6603784, 9905676, 19811352]

約数ペア:

[(1, 19811352), (2, 9905676), (3, 6603784), (4, 4952838), (6, 3301892), (8, 2476419), (11, 1801032), (12, 1650946), (22, 900516), (24, 825473), (33, 600344), (44, 450258), (66, 300172), (88, 225129), (101, 196152), (132, 150086), (202, 98076), (264, 75043), (303, 65384), (404, 49038), (606, 32692), (743, 26664), (808, 24519), (1111, 17832), (1212, 16346), (1486, 13332), (2222, 8916), (2229, 8888), (2424, 8173), (2972, 6666), (3333, 5944), (4444, 4458)]