19563642

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{541}}^1$

素因数の和:604

約数の個数: 72

約数和(自身を含む): 50604372

約数和(自身を除く): 31040730

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 49, 63, 82, 98, 123, 126, 147, 246, 287, 294, 369, 441, 541, 574, 738, 861, 882, 1082, 1623, 1722, 2009, 2583, 3246, 3787, 4018, 4869, 5166, 6027, 7574, 9738, 11361, 12054, 18081, 22181, 22722, 26509, 34083, 36162, 44362, 53018, 66543, 68166, 79527, 133086, 155267, 159054, 199629, 238581, 310534, 399258, 465801, 477162, 931602, 1086869, 1397403, 2173738, 2794806, 3260607, 6521214, 9781821, 19563642]

約数ペア:

[(1, 19563642), (2, 9781821), (3, 6521214), (6, 3260607), (7, 2794806), (9, 2173738), (14, 1397403), (18, 1086869), (21, 931602), (41, 477162), (42, 465801), (49, 399258), (63, 310534), (82, 238581), (98, 199629), (123, 159054), (126, 155267), (147, 133086), (246, 79527), (287, 68166), (294, 66543), (369, 53018), (441, 44362), (541, 36162), (574, 34083), (738, 26509), (861, 22722), (882, 22181), (1082, 18081), (1623, 12054), (1722, 11361), (2009, 9738), (2583, 7574), (3246, 6027), (3787, 5166), (4018, 4869)]