19673964

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:136

約数の個数: 108

約数和(自身を含む): 55427008

約数和(自身を除く): 35753044

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 31, 34, 36, 51, 61, 62, 68, 93, 102, 122, 124, 153, 183, 186, 204, 244, 279, 289, 306, 366, 372, 527, 549, 558, 578, 612, 732, 867, 1037, 1054, 1098, 1116, 1156, 1581, 1734, 1891, 2074, 2108, 2196, 2601, 3111, 3162, 3468, 3782, 4148, 4743, 5202, 5673, 6222, 6324, 7564, 8959, 9333, 9486, 10404, 11346, 12444, 17019, 17629, 17918, 18666, 18972, 22692, 26877, 32147, 34038, 35258, 35836, 37332, 52887, 53754, 64294, 68076, 70516, 80631, 96441, 105774, 107508, 128588, 158661, 161262, 192882, 211548, 289323, 317322, 322524, 385764, 546499, 578646, 634644, 1092998, 1157292, 1639497, 2185996, 3278994, 4918491, 6557988, 9836982, 19673964]

約数ペア:

[(1, 19673964), (2, 9836982), (3, 6557988), (4, 4918491), (6, 3278994), (9, 2185996), (12, 1639497), (17, 1157292), (18, 1092998), (31, 634644), (34, 578646), (36, 546499), (51, 385764), (61, 322524), (62, 317322), (68, 289323), (93, 211548), (102, 192882), (122, 161262), (124, 158661), (153, 128588), (183, 107508), (186, 105774), (204, 96441), (244, 80631), (279, 70516), (289, 68076), (306, 64294), (366, 53754), (372, 52887), (527, 37332), (549, 35836), (558, 35258), (578, 34038), (612, 32147), (732, 26877), (867, 22692), (1037, 18972), (1054, 18666), (1098, 17918), (1116, 17629), (1156, 17019), (1581, 12444), (1734, 11346), (1891, 10404), (2074, 9486), (2108, 9333), (2196, 8959), (2601, 7564), (3111, 6324), (3162, 6222), (3468, 5673), (3782, 5202), (4148, 4743)]